3.
When blood goes from atria to ventricle
4.
When flow of blood continue from ventricle to blood vessels
6.
The volume of air a person breathes with each cycle
7.
The lowest energy output that causes a consistent heartbeat
8.
A process which the membrane potential becomes less negative
9.
Thinner-walled chambers of the heart
10.
Thicker-walled chambers of the heart
13.
Smallest blood vessels
14.
Blood vessels that carry blood away from the heart
15.
Blood vessels that carry blood back to the heart
16.
Largest artery in the body
19.
Carries oxygen and carbon dioxide
20.
Prevent excessive bleeding by forming clots
