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Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

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

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Heart Heart
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l
Layers and membranes of the heart. Layers and membranes of the heart.
Conducting system of the heart. Conducting system of the heart.
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: What is Reverse Osmosis?

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