The heart is the center of our cardiovascular system and beats an average of 100,000 times per day supplying oxygen rich blood to the whole body. (ecohealthwellness.com)
Heavy or rapid breathing — Because the heart is not pumping oxygen rich blood as efficiently, your cat's body is feeling oxygen deprived all. (activ4pets.com)
A lack of oxygen rich blood can cause great harm to bodily organs. (choicemutual.com)