Humans used to have tails, like monkeys and apes, but over time, we lost them. Human tail is the name for a small bump at the base of the spine that some babies are born with, just like how some adults still have baby teeth. Scientists think our ancestors had full tails, which helped them climb trees better. But as humans started walking upright and using tools, they no longer needed tails, so we lost them. Some people today still have a tiny part of their tail left over.
Examples
- A baby is born with a tiny bump on their back that looks like the start of a tail.
- Some people have a human tail that disappears when they're just a few months old.
- Doctors sometimes remove a human tail during birth because it doesn't affect the baby's health.
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See also
- Why Do Humans Have Such Big Brains?
- How Chilis Got Spicy (and Why We Love the Burn)?
- What Makes Some People Left-Handed?
- Do bacteria die of old age?
- How Do Animals Know When to Migrate?
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