Labeling
-In the accompanying oxygen sag curve, choose the zone in which the breakdown of degradable wastes by bacteria starts to deplete the dissolved oxygen.
Definitions:
Oxygen-poor Blood
Blood that has circulated through the body and has a lower oxygen content, returning to the heart for reoxygenation.
Pulmonary Trunk
The major blood vessel that carries blood from the heart to the lungs for oxygenation.
Aorta
The main and largest artery in the body, responsible for distributing oxygenated blood from the heart to all other arteries.
Great Cardiac Vein
A vein that runs along the heart's surface, collecting deoxygenated blood from the myocardium.
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