human
What are some of the most interesting facts about the human body?
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1. The average human heart beats between 60 and 100 times per minute, depending on age and physical activity level.
2. A person’s brain weighs approximately 3 pounds.
3. The average human lifespan is around 80 years.
4. The average adult human has 206 bones in their body.
5. The average human can consume up to 2,000 calories a day.
6. Human skin is made up of three layers: epidermis, dermis, and hypodermis.
7. The average human produces 1.5 liters of saliva every day.
8. The human eye contains more than two million light-sensitive cells.