Ph 3
me 2
em 2
so 3
sp 2
en 3
steps:
start on improve me(mental) project. and ..
I am too tired to continue my answer..
I believe the answer would be C. Hope that helped!! :)
Your heart rate is increased during physical activity to increase cardiac output and deliver the blood flow needed to the muscles to carry out those activities. Your heart itself is a muscle, and also gets a workout during exercise. The job of the heart is to get more blood to the body's muscles when they work hard. Hope this helped.
