Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The human body produces and destroys 15 million blood cells every second.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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Everyone has one nostril that is larger than the other.
Ears pulled back flat against the head with teeth bared and white of the eye showing, indicating ang
scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...