Facts About All

Women are more likely than men to be obese in all age groups. Babies born to obese mothers have an increased risk of asthma. Obesity ...

X-rays are like ordinary rays of light, except for one thing, they have a shorter wavelength. Because of this, a beam of this length has mor...

An effective insulator is needed to maintain body temperature in an icy climate. Mammals have hair or fat that isolates their bodies, but hu...

It has a very simple reason: to increase the area of the cortex - where the most important brain processes of our and other species take pla...

 There is information that 45 percent of the world's population belongs to blood type O, so it is sometimes referred to as 'unive...

Claude Bernard, the father of Physiology      Physiology is the study of how living structures work. For example, in order to keep aliv...

   Menstruation is the term applied to the periodic discharge of blood from the womb or uterus of the human female. This normal function ...

   Gangrene is the death and decay of body tissue. There are several kinds of gangrene . The most common kind, called dry gangrene, occurs ...

   Most viruses are very small (submicroscopic) bodies. They can be seen best only with an electron microscope. Viruses will pass through...

   Gastritis is the acute or chronic inflammation of the mucous membrane that lines the stomach. Gastritis is characterized by nausea, vomit...

   The tiny "bricks" our bodies are built of are called cells. A single one of these cells is too small to be seen without a micro...

   Nerve cells or neurons are found in the nervous system and help parts of the body work together. They also make an animal or man aware of...

   Digestion is the breakdown of complex food materials into simple compounds by chemical and physical means. The digestion of food supplies...

   Dermatitis is an inflammation of the skin. Dermatitis may be caused by infectious microorganisms; allergies; chronic irritation; exposure...

   Nails, claws and hoofs are found at the end of the digits (fingers and toes). These are all produced by the skin. A hoof surrounds the ...

   Hernia, or rupture, results from a break in cavity walls within the body. Many organs of the body, like the lungs, heart, or intestines, ...

   The nose is an area on the front end of the head. It usually has two openings. Some animal noses stick out as man's does. The trunk...

   Everywhere people are living longer. Consequently it is estimated that before long one-third of the entire population of the United State...

   Dandruff is a white or grayish scales shed from the scalp. Dandruff is a symptom of a skin disorder, known as seborrheic dermatitis, whic...

   Corns and calluses are thickenings of the outer layer of skin caused by friction, chronic irritation, or pressure. Corns are cone-shaped ...