Dead cells in the body ultimately go to the kidneys for excretion.

The Romans used to clean themselves with olive oil since they did not have any soap. They would pour the oil on their bodies, and then use a strigil, which is type of blade, to scrape off any dirt along with the oil.

A maple tree is usually tapped when the tree is at least 45 years old and has a diameter of 12 inches.

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