1. The Human Body Has More Bacteria Than Cells
Your body contains about 39 trillion bacterial cells, outnumbering your own cells by roughly 1.3 to 1.
2. Your Brain Uses 20% of Your Body’s Energy
Despite being only 2% of your body weight, the brain consumes a fifth of your total energy.
3. Humans Can Survive Without a Stomach
People can live normally even after stomach removal, with the intestines adapting to digest food.
4. The Smallest Bone Is in the Ear
The stapes bone in the middle ear is the tiniest bone in the human body, measuring just 3 millimeters.
5. Blood Makes Up About 8% of Body Weight
An average adult has about 5 liters of blood circulating through their body.
6. The Liver Can Regenerate Itself
The liver is the only organ capable of full regeneration, able to regrow even after significant damage.
7. The Human Heart Creates Enough Pressure to Squirt Blood 30 Feet
The heart’s pumping power is surprisingly strong, capable of shooting blood a considerable distance.
8. Your Bones Are Continuously Renewing
Bone tissue is constantly being broken down and rebuilt, with a full skeletal turnover every 7-10 years.
9. Placebos Can Trigger Real Physiological Effects
Believing in treatment can cause actual changes in the brain and body, even if the treatment is inactive.
10. Humans Have Unique Fingerprints and Tongue Prints
While fingerprints are well-known for identity, tongue prints are also unique and can be used for identification.
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