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Author Question: Leptin is a hormone that is made in the stomach and increases hunger. Indicate whether the ... (Read 32 times) |
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.