what is the purpose of an ECG?
to briefly examine the heart
what is the simplified explanation of pulmonary ventiliation
inside the lungs oxygen is exchanged for ...
the process of external respiration is ..
the process of oxygen exchanging for carbon dioxide
what is the alveoli
very small air sacs where the exchange of oxygen and carbon dioxide occurs
what happens during internal respiration?
the bloodstream delivers oxygen to cells whilst inhaling and removes the waste of carbon dioxide through exhaling
what is the membrane called that covers the lungs?
what is the muscle called that is found inbetween the ribs?
what are intercostal muscles used for
what does angiogensis mean?
the formation of new capillaries