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Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

An open circulatory system. An open circulatory system.
Male Reproductive System Male Reproductive System
Thyroid System Thyroid System
Blood Flow Through the Cardiorespiratory System Blood Flow Through the Cardiorespiratory System
Lymphatic System: Facts, Functions & Diseases Lymphatic System: Facts, Functions & Diseases
Components of the Lymphatic System Components of the Lymphatic System
Video: Otitis Media

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