Multiple choice general knowledge science & technology

You're born with 300 bones, but by the time you become an adult, you only have ?

  1. 346

  2. 250

  3. 320

  4. 206
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Humans are born with approximately 270-300 bones (some fuse together), but adults have only 206 bones. This reduction occurs because many bones fuse during growth - skull bones, vertebrae, and sacrum are examples of bones that merge during development.

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