You are a Zoologist studying a newly discovered marine mammal species from the Pacific Ocean. The circulatory system of this organism fits the “typical mammalian circulatory system” arrangement. Given this information, you would expect to see:

Question

Accepted Answer

The right atrium receives deoxygenated blood from the systemic circuit.

Answer

The aorta returning oxygenated blood to the heart from the lungs.

Answer

The left ventricle pumping deoxygenated blood to the lungs for gas exchange.

Answer

A single circulatory system where blood is pumped past the gills and then onto the rest of the body.

Answer

The pulmonary circuit returning oxygenated blood from the gills.

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You are a Zoologist studying a newly discovered marine mammal species from the P...

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