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Did you know?

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

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Vaccines prevent between 2.5 and 4 million deaths every year.

Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica
Blood coagulation pathways in vivo showing the central role played by thrombin Blood coagulation pathways in vivo showing the central role played by thrombin
Hormonal control of adrenal gland. CRH = corticotropin releasing hormone; ACTH = adrenocorticotropic ... Hormonal control of adrenal gland. CRH = corticotropin releasing hormone; ACTH = adrenocorticotropic ...
Aging and Bone Tissue Aging and Bone Tissue
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A Displaced Bone Fragment A Displaced Bone Fragment
Video: Exocytosis - secretion

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