What is the hardest bone in the human body? Answer: The hardest bone in the human body is the femur, which is the thigh bone.

How many bones are there in the adult human body? Answer: There are 206 bones in the adult human body.

Which bone protects the brain? Answer: The skull, also known as the cranium, protects the brain.

What is the purpose of the ribcage? Answer: The ribcage protects the vital organs in the chest, such as the heart and lungs.

Can bones repair themselves when they break? Answer: Yes, bones have the ability to repair themselves through a process called bone remodeling.

What is the function of the spine? Answer: The spine, or vertebral column, provides support and flexibility to the body, as well as protecting the spinal cord.

Which bone is commonly known as the collarbone? Answer: The clavicle is commonly known as the collarbone.

What is the smallest bone in the human body? Answer: The stapes bone in the middle ear is the smallest bone in the human body.

How many bones are there in the human hand? Answer: There are 27 bones in the human hand, including the wrist bones.

What is the purpose of the patella bone? Answer: The patella, or kneecap, protects the knee joint and helps with the movement of the leg.