answer po

1. Which if the following is a skeletal muscle

A. Muscle of the diaphragm B. Muscles of the Lungs C. Muscles of the stomach D. Muscle of the thigh

2. How does a muscle pull a bone

A. The muscles expands B. The muscle contracts C. The muscle twists D. The muscle flattens out

3. What happens to the muscles when they are not often used

A. They become toned
B. They become strong
C. They become weak
D. They become big

4. Which type of muscle is involved in the beating of the heart

A. Cardiac muscle
B. Smooth muscle
C. Skeletal muscle
D. All muscles

5. which is made possible by smooth muscles

A. Blinking
B. Digesting
C. Running
D. Writing​