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Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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The longest a person has survived after a heart transplant is 24 years.

Parts of a muscle. Parts of a muscle.
Muscle Contraction (Molecular Biology) Muscle Contraction (Molecular Biology)
Mass Wasting Forms Mass Wasting Forms
Cardiac Muscle Cardiac Muscle
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc
Example of a coordinated interaction between skeletal muscle tissue and nervous tissue Example of a coordinated interaction between skeletal muscle tissue and nervous tissue
Video: Mendel's Principles of Inheritance (Father of Genetics)

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