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Amos Works as a Forest Ranger, and Often Spends Weeks

question 89

Multiple Choice

Amos works as a forest ranger, and often spends weeks in the wilderness all alone. As the days pass, he begins to feel extremely lonely and isolated, and begins talking to himself, the trees, and the nearby animals. Which of the following theories best explains Amos's behaviour?


Definitions:

Left Ventricle

The chamber of the heart responsible for pumping oxygenated blood to the body.

Mitral Valve

A valve in the heart that lies between the left atrium and the left ventricle, regulating blood flow.

Veins

Blood vessels that carry blood towards the heart, as opposed to arteries which carry blood away from the heart.

Arteries

Arteries are the vessels responsible for transporting blood enriched with oxygen from the heart to the rest of the body.

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