The human body produces and destroys 15 million blood cells every second.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The average office desk has 400 times more bacteria on it than a toilet.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Synthesis and major functions of the chief steroid hormones in animals.
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Negative feedback control of the female reproductive hormones
Hormones associated with the hypothalamus and pituitary gland.
Neurotransmitters of the Autonomic Nervous System (2 of 2)