Americans Killed Millions of Buffalo

question 108

True/False

Americans killed millions of buffalo.

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Definitions:

Pulmonary Semilunar Valve

A heart valve located between the right ventricle and the pulmonary artery that prevents blood from flowing back into the heart.

Pulmonary Trunk

The major vessel that exits the right ventricle of the heart, carrying deoxygenated blood to the lungs for oxygenation.

Oxygenated Blood

Blood that has been oxygenated by the lungs and is being transported by the arteries to the tissues throughout the body.

Deoxygenated Blood

Blood that has released its oxygen load to the tissues and contains a higher concentration of carbon dioxide, returning to the heart and then to the lungs for re-oxygenation.