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There are more sensory neurons in the tongue than in any other part of the body.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

The endocrine glands of the endocrine system are distributed throughout the body. The endocrine glands of the endocrine system are distributed throughout the body.
The Alpha-Z Alphabetic Color-Coding System The Alpha-Z Alphabetic Color-Coding System
Disorders of the Female Reproductive System Cont. Disorders of the Female Reproductive System Cont.
Major components and functions of the nervous system. Major components and functions of the nervous system.
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b) The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b)
The Urinary System The Urinary System
Video: Brief Summary on Photosynthesis - Animation

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