Final answer:
Blood helps keep the body healthy. The circulatory system moves blood around the body. The heart is a muscle that pumps blood through blood vessels. Arteries are blood vessels that carry blood back to the heart. The heart needs exercise to stay healthy.
Step-by-step explanation:
True:
- Blood helps keep the body healthy.
- The circulatory system moves blood around the body.
- The heart is a muscle that pumps blood through blood vessels.
- Arteries are blood vessels that carry blood away from the heart.
False:
- The heart needs exercise to stay healthy. (The statement does not specify exercise, but the heart does need to be worked, such as through regular physical activity, to help maintain its health.)