The largest cell in the human body is the female egg and the smallest is the male sperm.
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One human hair can support 3 ounces.
191
If the human eye was a digital camera, it would have 576 megapixels.
25
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The average sperm cell swims at 8 inches per hour.
4
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456