| 15 million blood cells are produced and destroyed in the human body every second. |
| Every minute, 30-40,000 dead skin cells fall from your body. |
| The brain uses more than 25% of the oxygen used by the human body. |
| If your mouth was completely dry, you would not be able to distinguish the taste of anything. |
| There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth. |
| Muscles are made up of bundles from about 5 in the eyelid to about 200 in the buttock muscle. |
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