Multiple choice general knowledge science & technology

Babies are born without knee caps. They don't appear until they are 2-6 yrs. old.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is essentially true. Babies are born with cartilaginous kneecap structures that ossify into hard bone between ages 2-6. Before ossification, kneecaps aren't easily detectable by touch or X-ray, which is what 'don't appear' refers to in common parlance.