To provide the body with a strong and mobile framework and to allow the body to move. I also I believe the skeletal system Provides the body with a strong mobile....and to supply the body with minerals
The immune system usually protects from bacteria, injury and diseases.
D is the answer for your question
The measure of how well your heart gets oxygen rich blood to your muscle while you're exercising is called anaerobic fitness is the correct answer.
Hope it helped you!
