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Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Endochondral ossification of long bone. Endochondral ossification of long bone.
The healing process of a bone. The healing process of a bone.
How to evaluate composite functions (f∘g∘h) (Part 3) How to evaluate composite functions (f∘g∘h) (Part 3)
How to evaluate angles using cosine, special triangles, the unit circle (Part 2) How to evaluate angles using cosine, special triangles, the unit circle (Part 2)
How to evaluate the third-order determinant How to evaluate the third-order determinant
Bone Formation Bone Formation
Video: Rods and Cones Animation

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