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Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Tuktut Nogait National Park, Northwest Territories, Canada Tuktut Nogait National Park, Northwest Territories, Canada
The roles of chloride channels in inhibitory synapses. The roles of chloride channels in inhibitory synapses.
The underhood decal showing that this Lexus RX-330 meets both national (Tier 2; BIN 5) and ... The underhood decal showing that this Lexus RX-330 meets both national (Tier 2; BIN 5) and ...
Elephant (Loxodonta africana) herd drinking at water hole. Etosha National Park, Namibia. Elephant (Loxodonta africana) herd drinking at water hole. Etosha National Park, Namibia.
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

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