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Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Thyroid conditions may make getting pregnant impossible.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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There are 20 feet of blood vessels in each square inch of human skin.

The discovery of aquaporins, water channels made of a transmembrane protein. The discovery of aquaporins, water channels made of a transmembrane protein.
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
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Find the derivative using the product rule Find the derivative using the product rule
Video: Plant Defense Mechanisms from Pathogens

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