Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The longest a person has survived after a heart transplant is 24 years.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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There are 20 feet of blood vessels in each square inch of human skin.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Mucus block in bronchiole
true story
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Membrane Fluidity
Vocal cords in the larynx. Action of skeletal muscle in the cords alters the width of the glottis, t