Multiple choice general knowledge How many bones are there in an adult human being? 210 260 206 300 Reveal answer Fill a bubble to check yourself C Correct answer Explanation An adult human skeleton has 206 bones. Infants are born with around 270 bones, but many fuse together as they grow. Options A, B, and D are incorrect counts - 210 and 260 are not standard numbers, and 300 is far too many for human anatomy.