Definetly A. They work on the ability to supply oxygen to the lungs from the heart, to help them run.
Answer:
it is also called the Musculoskeletal system
Explanation:
Answer: it wants you to type in why you think the rates of deppresion have increased in your own opinion. so write why you think deppression rates have increased.
Explanation: simple read it.
They both exercise the body, and keep it moving. Both of them help you with weight loss and keep the body active.