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Did you know?

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

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

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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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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

A tufted puffin, Fratercula cirrhata, on Triangle Island of the Coast of British Columbia. A tufted puffin, Fratercula cirrhata, on Triangle Island of the Coast of British Columbia.
Dorsiflexion Dorsiflexion–Bending a body part backward. Dorsiflexion Dorsiflexion–Bending a body part backward.
Albert Bierstadt, Puget Sound on the Pacific Coast. Albert Bierstadt, Puget Sound on the Pacific Coast.
How to convert one unit of measurement to another unit (Part 1) How to convert one unit of measurement to another unit (Part 1)
How to solve for inequalities (Part 1) How to solve for inequalities (Part 1)
Finding the angle from a ratio (Part 1) Finding the angle from a ratio (Part 1)
Video: Functional zones in a mitochondrion

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