It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
Procedures for Diagnostic Tests Related to the Digestive System