05-11-2019
Health

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What is the main difference between your ventricles and your atria?
Group of answer choices

1. Your atria bring blood into the heart; your ventricles pump it out

2. Your atria enrich blood with oxygen; your ventricles remove it

3. Your atria are connected to your arteries; your ventricles are connected to your veins

4. Your atria are made of muscle; your ventricles are made of fatty tissue

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05-11-2019

Answer:

Your atria bring blood into the heart; your ventricles pump it out

Explanation:

The atrium is the upper chamber through which blood enters the ventricles of the heart. There are two atria in the human heart – the left atrium receives blood from the pulmonary (lung) circulation, and the right atrium receives blood from the venae cavae.

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