Search Results - Physiological
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Physiology (from Greek f?s??, physis, "nature, origin"; and -????a, -logia, "study of") is the study of the mechanical, physical, and biochemical functions of living organisms. Physiology has traditionally been divided between plant physiology and animal and all living things physiology but the principles of physiology are universal, no matter what particular organism is being studied. For example, what is learned about the physiology of yeast cells may also apply to human cells that one may be studying. The field of animal physiology extends the tools and methods of human physiology to non-human animal species. Plant physiology also borrows techniques from both fields. Its scope of subjects is at least as diverse as the tree of life itself. Due to this diversity of subjects, research in animal physiology tends to concentrate on understanding how physiological traits changed throughout the evolutionary history of animals. Other major branches of scientific study that have grown out of physiology research include biochemistry, biophysics, paleobiology, biomechanics, and pharmacology. Human physiology dates back to at least 420 B.C. and the time of Hippocrates,[1] the father of medicine. The critical thinking of Aristotle and his emphasis on the relationship between structure and function marked the beginning of physiology in Ancient Greece, while Claudius Galenus (c. 126-199 A.D.), known as Galen, was the first to use experiments to probe the function of the body. Galen was the founder of experimental physiology.[2] The ancient Indian books of Ayurveda, the Sushruta Samhita and Charaka Samhita, also had descriptions on human anatomy and physiology. The medical world moved on from Galvanism only with the appearance of Andreas Vesalius and William Harvey.[3] During the Middle Ages, the ancient Greek and Indian medical traditions were further developed by Muslim physicians, most notably Avicenna (980-1037), who introduced experimentation and quantification into the study of physiology in The Canon of Medicine. Many of the ancient physiological doctrines were eventually discredited by Ibn al-Nafis (1213-1288), who was the first physician to correctly describe the anatomy of the heart, the coronary circulation, the structure of the lungs, and the pulmonary circulation, for which he is considered the father of circulatory physiology.[4] He was also the first to describe the relationship between the lungs and the aeration of the blood, the cause of pulsation,[5] and an early concept of capillary circulation.[6]
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Showing 1 to 25 of 449 Articles matching 'Physiological' in related articles. |
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1. 3 Relief Techniques For Panic and Anxiety Attacks
November 19, 2009
Panic anxiety attack currently affects about 40 million Americans, with many of them not really knowing what is wrong with them. Anxiety panic attack is that very sudden, discrete period of intense anxiety which often mounts physiological arousal of fear, stomach problem and unnecessary discomfort. Some its symptoms includes but are not limited to trembling, light-headedness, tingling sensation, shortness of breath, chest pain or chest tightness, hot flashes, cold flashes, feeling of burning sensation especially on the face and neck area, nausea, dizziness, sweating and so on.
Are you a p... (read more)
Author: Tony Alverio
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2. Get Toned Body & Health with MBT
November 19, 2009
MBT shoe is a hit when it first launched in 1996. Now it is more and more popular. MBT, short for Masai Barefoot Technology, are based upon the Masai walk in Kenya and other areas of Africa. These shoes are exclusively designed to give you a physiological workout of coordinated muscle groups. As physiological footwear, MBT canoe-like curvy soles change according to the wearer's center of gravity. What do they mean to you? The benefits of Masai Barefoot technology include improving gait and posture, relieving joint pressure in the back. They build up the connective tissues in the hips, legs, ... (read more)
Author: Urrutia Wendy
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3. Penis erections - Causes, and various other aspects
November 19, 2009
The erection of your penis is a physiological phenomenon. The normally flaccid and soft penis enlarges and firms up when it experiences an erection. Penile erection is a complex process that includes the interaction of various factors, which are psychological, neural, endocrinal and vascular in nature. Not all penile erections are a result of sexual stimulation and arousal. Even a full urinary bladder could induce a penile erection.
About penis erection
Men possess an erection center that is located near the base of the spinal chord. When they are stimulated physically or psychologi... (read more)
Author: Aderline Jane
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4. Cellulite - gone in a snap!
November 19, 2009
Cellulite is a physiological change that occurs in the subcutaneous fat layer or better known as "cottage cheese, or an “orange peel appearance”. In fact 90% of all women suffer from cellulite, no matter how large or small they are.
Cellulite has also to do with your body’s connective tissue. The tissue acts as a mesh to keep the fat close to the body. IT works for men but not so well for women. The connective mesh expands letting the fat bulge out.
There are materials that cause the fat cells to shrink or burn by going deep into the skin. They also contain collagen to fill up and ma... (read more)
Author: Albert Wessel
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5. Your Emotions Cause Disease, How can You Control Emotions in Your Live?
November 18, 2009
Emotions are one of the most important part of human life and enrich our lives. Emotins are specifically feelings cause by change in physiological conditions relating to the autonomic and motor functions. Emotions are often impuls to act, their quality strongly affects the quality of what we do. They let you know how you feel about things - happy, angry, sad, excited, jealous.
Emotions tell us what is going on and makes life more interesting and colorful. Your emotions are always a result of the reaction to the environment, people or circumstances around you. It’s okay to have feelings, ... (read more)
Author: Lovel Rose
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6. Your Sexual Health Today
November 16, 2009
The realm of sexual health can often be a touchy subject for some people. There are thousands of potential cultural, psychological, religious, and personal factors that come into play when talking about sexual health. However, one thing that most people can agree upon is that there are definitely physiological and biochemical factors in that sort of thing that can affect the physical aspect of the topic. Various medications, even ones that may not necessarily be related to sexual health or the areas of the body that are directly connected to it, may have side effects that alter one's libido or... (read more)
Author: Freddy Roy
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7. The Relationship Between Alcohol and Digestion
November 16, 2009
And here, in order to give those who are not familiar with, the process of digestion, a clear idea of that important operation, and the effect produced when alcohol is taken with food, we quote from the lecture of an English physician, Dr. Henry Monroe, on "The Physiological Action of Alcohol." He says:
"Every kind of substance employed by man as food consists of sugar, starch, oil and glutinous matters, mingled together in various proportions; these are designed for the support of the animal frame. The glutinous principles of food fibrine, albumen and casein are employed to build up... (read more)
Author: Damien Fowler
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8. Back Pain Resulting from Gynecological Conditions
November 12, 2009
Women may sometimes achieve gynecological conditions, which start PMS (Premenstrual syndrome), endometriosis, inflammatory pelvis disease and so on. The condition causes back pain from inflammatory and swelling symptoms. Endometriosis occurs when endometrium is present. The mucous membrane, i.e. endometrium has a lining that is only present in the womb. The lining functions with the ovaries and other areas of the body. When inflamed, it causes back pain.
PMS is overrated. The condition is chiefly physiological, i.e. it only has physical traits that appear. PMS includes backaches, swellin... (read more)
Author: Richie Lindsay
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9. Let's Chill
November 10, 2009
Let's talk about stress- that nasty 6 letter word. Stress is a psychological and physiological reaction in our mind and body to an internal or external stimulus. Stress is just fear--it's that simple! The thing is we all still have the same reaction to a perceived threat that our ancestors did when they were being chased by a saber-toothed tiger. We go into fight or flight. Our pulse races, muscles get tight-- we get downright irritable. Even though there is no saber toothed tigers around these days, our bodies have the same response to whatever we may find threatening. It could be our boss ... (read more)
Author: Tasha Khachturian
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10. REVEALED... The Best Sports Nutrition Supplements
November 10, 2009
A Testosterone Supplement or Testosterone Booster is meant to enhance a person's performance, heighten the amount of new muscle growth and increase the overall mass of the person taking it. Testosterone, as you may already know, is a completely male specific testosterone responsible for many of the physiological aspects of human males.A good testosterone supplement is also known to have many other effects besides the general ones listed above, for instance, a testosterone supplement can heighten the sex drive in men, reduce body fat, build stronger bones, improve mental focus, increase natural... (read more)
Author: Felipe Cortez
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11. Atro-Phex Tops the List of BSN Weight Loss Supplements
November 06, 2009
Atro-Phex is a revolutionary energy and weight loss supplement, developed by Bio-Engineered Supplements and Nutrition, Inc. (BSN). Using an innovative formula, BSN has harnessed a powerful assembly of nutrients, compounds, bio-factors and physiological intermediaries; to provide a "breakthrough energy and weight management milestone". As a result of documented successes among consumers, BSN's Atro-Phex has quickly become one of the most popular weight loss supplements; in the marketplace. This supplement provides usage options, that range from novice to extreme effects; dependi... (read more)
Author: Kristoffer Howes
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12. Blue Heaven: Why the Sky Is Blue
November 06, 2009
The appearance of a strange colored marking on the skin at birth has always been a rather peculiar physiological occurrence, and for some a cause for alarm. Why do people have birthmarks? Is it a disfigurement? Is it a sign of some sort of disease? Could it even have some mystical property?
Although not mystical in the superstitious sense, the answers as to why do people have birthmarks remain mysterious nonetheless. What is known about them is that while they typically appear from birth, there are instances where they emerge after the baby has been born. Some birthmarks eventually disapp... (read more)
Author: Kenny Leones
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13. Birthmarks: Branded Since Birth
November 06, 2009
The appearance of a strange colored marking on the skin at birth has always been a rather peculiar physiological occurrence, and for some a cause for alarm. Why do people have birthmarks? Is it a disfigurement? Is it a sign of some sort of disease? Could it even have some mystical property?
Although not mystical in the superstitious sense, the answers as to why do people have birthmarks remain mysterious nonetheless. What is known about them is that while they typically appear from birth, there are instances where they emerge after the baby has been born. Some birthmarks eventually disapp... (read more)
Author: Kenny Leones
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14. Birth Chart Accuracy for Those Born by Caesarean Section
November 06, 2009
Birth charts of those born by caesarian section are as accurate as to those delivered normally. However, this is not true all the time due to physiological reasons and in cases of induced delivery.
Babies born by caesarian section have birth charts that are as accurate as with those babies that are delivered normally. Since some factors can lead to caesarian delivery, birth charts can be slightly inaccurate depending on the reasons for the Caesarian section. Physiological reasons
Babies who have reached full-term are delivered either normally or through caesarian section. Due t... (read more)
Author: Meliza Mateo
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15. Definition of legal blindness
November 06, 2009
Blindness is an important health care issue that exacts both economic and social costs. It is easy to understand that blindness is a vision problem of lacking visual perception due to physiological or neurological factors. Blindness is a kind of vision loss. The most common eye disease causes of blindness including: cataracts, glaucoma and age-related macular degeneration. Besides, abnormalities, injuries, genetic defects and certain chemicals may also lead to blindness.
In order to determine which people may need special assistance because of their visual disabilities, various government... (read more)
Author: William Jafferson Clinton
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16. Herbal Viagra- The best cure for erectile dysfunction
November 06, 2009
Erectile dysfunction (ED) can be caused by many physiological factors such as obesity, diabetes, hypertension, chronic illness and high cholesterol. If occurring for more than three months, it is recommended to seek help. "There can be emotional connections, as well," Pyatt says. "Stress can lead to hormonal imbalances, which can contribute to ED. ED is also a side-effect of certain medications. Low sex drive in patients taking anti-depressant medication is very common as well." Even lack of a good night's sleep can affect performance. Dr. Adam Moscovitch, medical director of the Canadian Sl... (read more)
Author: Medicsl pill
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17. Chiropractic Healing And The System Of Healthcare
November 06, 2009
Osteopathy is a system of healthcare based on the belief that disease is the direct result of the relationship between physiological function and anatomical structure. In osteopathy, function and structure are interdependent. A healthy musculoskeletal system plays a pivotal role in recovery and disease prevention. 'Structure governs function' - this is the tenet of osteopathy. By structure, this means muscles, ligaments, bones, organs and fascia.
The credit for initiating this system of healing is given to Andrew Taylor Still, who started this treatment at the end of the American Civil Wa... (read more)
Author: Carroll Willis
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18. ADD/ADHD Information
November 03, 2009
ADD is Attention Deficit Disorder. ADHD is Attention Deficit Hyperactivity Disorder.ADD/ADHD is considered to be a physiological disorder involving neurological transmitters in the brain that are either working overtime or undertime or are an insufficient amount. Since 70 percent of the brain is meant to restrain the other 30 percent, if there's an imbalance of those transmitters, emotional and/or psychological difficulties or less than proper behavior might be apparent.
Children with Attention Deficit Disorder (ADD) may show the following behaviors in the classroom: impulsivity, chronic ... (read more)
Author: jimmy jack
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19. Furniture Sofa: Defines Your Style announcement
November 01, 2009
It has been a long, exhaustive day and the first thing you would want to do after entering your house is relax on your sofa for some time. This is the reason why your furniture sofa should not only be attractive, but must also have sit-cushion and back-cushion to suit the surface of human physiological structure. One example of a good quality furniture sofa is Flexsteel Angelina 7812-31 Sofa. It has semi-attached back along with luxury reversible cushion and arm covers.
Furniture sofa plays an important role in the living room and also determines a room's melody. So, some important points... (read more)
Author: Doug Applewhite
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20. Pigs to help us with diabetes**
October 29, 2009
Given the current practical limitations of glucose monitoring and insulin delivery systems, in addition to the current shortage of cadaveric organs, an alternative source of cells that can sense blood glucose levels and respond by releasing appropriate amounts of mature insulin must be identified to turn the promise of cellular therapy for diabetes into a reality for all those who would benefit. Xenogeneic cells are a potential source of cells for transplantation therapy. Because pigs regulate glucose in a similar physiological range to that of humans, and because porcine insulin has been... (read more)
Author: danish shaikh
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21. Where Are You In Abraham Maslow's Hierarchy Of Needs?
October 29, 2009
As a social work and psychology student, Abraham Maslow's hierarchy of needs was a theory in which we focused a great deal of time. According to Maslow, there are five levels of needs, ranging from physiological to self-actualization. It is difficult to move from one level to the next without first meeting your needs at the lower level. If you can identify where you are currently at in the hierarchy, it will give you a better understanding of where you are coming from and what you need to do to reach the fifth and final step, self-actualization. The first level, at the base of the pyramid... (read more)
Author: Sharon Mikrut
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22. The Window of Opportunity
October 27, 2009
Renowned UK personal trainer Theo Wood explains the importance of timing when it comes to diet and exercise...
There are many people the World over who never fulfil their own fitness goals, despite investing a lot of time and effort into a regular exercise plan. These personal ambitions cover a myriad of aims yet physiological development occurs slowly, if at all. But why should this be? Is it because the effort level of these fitness disciples is too low? Are the exercises they perform ineffective or inappropriate? Or could it be that they are only focusing on half the picture?
A we... (read more)
Author: Theo Wood
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23. Why Your Baby Cries
October 27, 2009
Crying is normal in the lives of babies. When a baby is born, the first thing they do is cry. With the first cry, he will experience air in his lungs for the first time. If the baby doesn't cry after delivery then crying should be initiated by slightly pinching or gently stroking the feet. A healthy baby should cry and it is a normal physiological event, even though it can upset the mother or family members.
We all know that babies can't tell us what they need or if they are having trouble. The only way for him to communicate is for them to cry. Babies will show signs like kicking their... (read more)
Author: Irvin Mcclain
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24. What Good Is Sweat?
October 26, 2009
Perspiration isn't generally considered desirable. It makes clothes wet and uncomfortable, it makes our skin unpleasant to touch and it often smells bad. But the biological fact is that sweating is essential to good health, especially during exercise.
Why?
Humans take in and use water for a number of important physiological functions. It provides a medium for cells and tissues. It makes possible the transport throughout the body of important elements or compounds like sodium and sugar not to mention forming part of the blood that moves them. It provides structural cohesion and lubric... (read more)
Author: KY Cheah
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25. Avoid Workout Injuries
October 26, 2009
From some trainers 'No pain, no gain' really means 'you should feel some pain'. While mild discomfort is to be expected, especially for those just beginning a new fitness routine, pain is a natural warning sign. Pay attention to it.
A good workout routine will test you, but shouldn't damage you. As muscles get used, especially somewhat beyond their usual range, lactic acid, micro-tears and other physiological changes occur that result in muscles being built up stronger than before.
But if you are experiencing back pain, neck aches, knee joint soreness and other symptoms, you should c... (read more)
Author: KY Cheah
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