Yes, a human heart has four chambers. The atria are the upper chambers, and the ventricles are the lower chambers.
I believe they are the right ventricle and left atrium. There are 4 chambers and I think these are the 2 lower chambers.
It is the upper right chamber of the heart.For diagram, see Related links below.
The upper heart valves are called atriums, and the lower heart valves are called ventricles.
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The upper portion of your heart contains the atria, both right and left.
the upper chambers of the heart are called the right and left atrium and they are the receiving chambers of the heart
The upper chambers of the heart are called the atria (singular: atrium).
The upper chambers of the heart muscle include the
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The two upper chambers of the heart that collects blood are known as atria.
the upper flat portion of the heart is called the base