C. The nervous system sends signals to make muscles move.
Well a person breathes harder when he/she exercizing because you are working hard and your body is not used to it so your trying to pass more air through the lungs
Answer:
13 and 56 and 838 and 393 and 82 and 8
Explanation:
because it a potion answer and it has to be the best like mrbest ok guys am so
It has a closed circulatory system. because we have a closed circulation system. and all that means is that we have veins and a heart. <span />
