The muscular system<span> is responsible for the movement of the human body. Attached to the bones of the </span>skeletal system<span> are about 700 named </span>muscles<span> that make up roughly half of a person's body weight. Each of these </span>muscles<span> is a discrete organ constructed of </span>skeletal muscle<span> tissue, blood vessels, tendons, and nerves.</span>
Answer:
Answer below
Explanation:
general goal, aim for at least 30 minutes of moderate physical activity every day. If you want to lose weight, maintain weight loss or meet specific fitness goals, you may need to exercise more.
Answer:
Heart and lungs
Explanation:
The more harder that you work the more your heart is going to race and the more your lungs are going to get tighter because they are working together to make the body function the way it is supposed to
System y. hope this helps!!
