The largest cell in the human body is the female egg and the smallest is the male sperm.
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When you take a step, you are using up to 200 muscles.
886
The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22