Bones provide protection for organs in the body. Bones send messages to the brain to move the muscles. Bones carry oxygen-rich blood throughout the body. Bones connect the brain and the spinal cord.
I gave my students this multiple choice question: Which statement describes a function of bones in mammals such as dogs and horses?

Only one answer is correct among these 4 choices:
- Bones provide protection for organs in the body.
- Bones send messages to the brain to move the muscles.
- Bones carry oxygen-rich blood throughout the body.
- Bones connect the brain and the spinal cord.

Could you tell me which one is correct?

Bones provide protection for organs in the body.