Question

What is the total number of bones in an adult human body?

• A. 306
• B. 300
• C. 200
• D. 206

Answer 1

The correct option is C

Explanation of the correct answer:

1. An adult human has a total 80 bones in the axial skeletal system and 126 bones in the appendicular skeletal system which makes a total of 206 bones in the entire human skeletal system.
2. The axial skeleton system included skull(22 bones), rib cage(25 bones), vertebrae(26 bones), ear ossicles(6 bones) and hyoid bone(1).
3. The appendicular skeleton has- shoulder girdles(4 bones), arms and forearms(6 bones), hands(54 bones), pelvis(2 bones), thighs and legs(8 bones) and feet and ankle(52 bones).

Explanation of the incorrect answers:

Option A:

1. In humans 206 bones are found.
2. So, option A of 306 bones is wrong.

Option B:

1. In humans 206 bones are found.
2. So, option A of 200 bones is wrong.

Option D:

1. The human infant has 300 bones.
2. But the adult human being has 206 bones.

Final answer: The total number of bones in an adult human body is 206.