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Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

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

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Common Bluetail Damselfly Common Bluetail Damselfly
Adenosine triphosphate (ATP) is the most common molecule used by cells to captur Adenosine triphosphate (ATP) is the most common molecule used by cells to captur
New employees should be shown all exits in case of an emergency. New employees should be shown all exits in case of an emergency.
A typical calibration code sticker on the case of a controller. The information on the sticker is ... A typical calibration code sticker on the case of a controller. The information on the sticker is ...
A common mole (nevus) is not a contraindication for massage. A common mole (nevus) is not a contraindication for massage.
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

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