Circulation and Gas Exchange. The Respiratory System What is its function? Why is it necessary? GETS oxygen for the body Needed for cellular respiration.
Circulation and Gas Exchange Chapters 48 & 49. The Respiratory System What is its function? Why is it necessary? GETS oxygen for the body Needed for.
Exchanging materials – the lungs p.220. Requirements Lung/alveolus diagrams Lungs to dissect.