Dogs Circulatory Systems

Dogs Circulatory Systems Why the heart ratecirculatory and respiratory system during exercise
increases during exercise? From the graph itand during rest. In the dogs body the circulatory
shows that the heart rate of the dog increasesand respiratory system work hard making sure
during exercise, while the dog is exercising thethat what the dog needs is getting around the
heart pumps faster getting blood to the movingbody, for the respiratory system the dog is
joints, making the dog breath faster to get thebreathing much harder and faster then normal
needed oxygen around the body. The dog alsotaking in more oxygen, making the lungs work
gets adrenalin which also makes the heart workquicker and harder. For the circulatory system, as
harder and making the dog excitable. Why does itthe dog runs around it makes the heart work
take a while to return to normal? It takes a whilefaster pumping oxygenated blood around the
for the heart rate to return to normal afterbody, to the areas that need it. After exercise
exercising because the dog still had adrenalinbother systems slow down slowly, the heavy
around the body and it takes awhile for the heartbreathing gets softer, less oxygen is taken in and
to stop pumping faster and for the breathing tothe fast heart rate slows down, less blood is
go back to normal this is because the adrenalinpumped around making it go back to normal.
needs to wear-down in the system. The dog's