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Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

A molecular model showing chromosome territories in the cell nucleus of humans A molecular model showing chromosome territories in the cell nucleus of humans
Embryonic Stem Cell Embryonic Stem Cell
Animal Cell Animal Cell
biology 30 - Cell Division biology 30 - Cell Division
For a differential white blood cell count, (A) the slide is examined under oil immersion. (B) Cells ... For a differential white blood cell count, (A) the slide is examined under oil immersion. (B) Cells ...
A nerve cell (neuron) has extensions called dendrites A nerve cell (neuron) has extensions called dendrites
Video: Neuron Structure Animation

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