If this was a true or false this is most definitely true because with out those how will you make a positive choice.<span />
Answer:
639
Explanation:
MUSCULAR SYSTEM consists of skeletal ,smooth and cardiac muscle
The skin covers your body,it protects the important organs
The heart is the system's pump and the blood vessels are like the delivery routes and it is a muscle. The pumps are the beat. The heart is a muscle about the size of a fist and it is the muscle in the body that works the hardest. The statement that the heart muscle rests only between beats is true
