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What are the four chambers of the heart?
Atria right atrium left atrium
Questioner：Scarlett Gonzales 2018-04-06 10:05:05
The most authoritative answer in 2024
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Michael Thompson——Works at Tesla, Lives in Palo Alto, CA
Hello, I'm a biomedical expert with a focus on anatomy and physiology. I'd be happy to help explain the structure of the heart.
The human heart is a muscular organ that plays a vital role in the circulatory system. It is divided into four chambers: two atria and two ventricles.
1. Atria: The upper chambers of the heart are known as the atria (singular: atrium). The right atrium receives deoxygenated blood from the body and pumps it into the right ventricle, while the left atrium receives oxygenated blood from the lungs and pumps it into the left ventricle.
2. Ventricles: The lower chambers are called the ventricles. The right ventricle pumps the deoxygenated blood it receives from the right atrium to the lungs, where it picks up oxygen. The left ventricle, which has thicker walls to generate the high pressure needed to pump blood throughout the body, sends the oxygen-rich blood to the aorta, the body's main artery.
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Benjamin Wilson——Works at the International Civil Aviation Organization, Lives in Montreal, Canada.
The heart has four chambers: two atria and two ventricles.The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.The right ventricle pumps the oxygen-poor blood to the lungs.The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.More items...read more >>
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