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Author Question: A neurologist and an endocrinologist are working together on a very difficult case. They have found ... (Read 23 times) |
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.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.