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Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Structure of an ovule developing into a seed. Structure of an ovule developing into a seed.
Fruits attractive to animal seed dispersal agents. Fruits attractive to animal seed dispersal agents.
A plant grown from a [round, yellow] seed is crossed with a plant grown from a [ A plant grown from a [round, yellow] seed is crossed with a plant grown from a [
How the neural plate develops into the neural tube during the third and fourth weeks of human ... How the neural plate develops into the neural tube during the third and fourth weeks of human ...
Research that has examined babies' ability to recognize themselves develops in the 2 year Research that has examined babies' ability to recognize themselves develops in the 2 year
A Drosophila embryo and (b) the adult fly that develops from it A Drosophila embryo and (b) the adult fly that develops from it
Video: Cardiac conductile cells

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