The top chambers of the heart are called the

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Multiple Choice

The top chambers of the heart are called the

Explanation:
The top chambers are called the atrium. In the heart, there are two atria at the top that receive blood before it moves down to the ventricles. The word atrium is the singular term for this type of heart chamber, while atria is used when talking about both top chambers together. The other options describe parts that aren’t chambers: ventricles are the bottom pumping chambers; arteries are blood vessels that carry blood away from the heart; and valves are flap-like structures that regulate flow between chambers and vessels.

The top chambers are called the atrium. In the heart, there are two atria at the top that receive blood before it moves down to the ventricles. The word atrium is the singular term for this type of heart chamber, while atria is used when talking about both top chambers together. The other options describe parts that aren’t chambers: ventricles are the bottom pumping chambers; arteries are blood vessels that carry blood away from the heart; and valves are flap-like structures that regulate flow between chambers and vessels.

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