we can't describe "this blood flow" cause we can't see it.
Proton bc it help your immune system
I need to see the choices in order to answer the question.
Answer:
D
Explanation:
when doing aerobics your body becomes more flexible, making it easier to do other exercises. Also, When doing any type of exercise more and more each day, your body starts to become use to all the work your doing and starts steading with the speed of your heart.
Imma say go with A on this one (:
