Multiple choice general knowledge science & technology 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 typically contains 206 bones. This includes axial bones (skull, spine, ribs) and appendicular bones (limbs, girdles). Infants have more bones (~270) which fuse as they grow. Options 210, 260, and 300 are incorrect counts.