Question

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

Answer 1

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

Step-by-step 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.