Heart diagram and functions
Biology
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The heart is a muscular organ responsible for pumping blood throughout the body. It has four chambers: two atria (upper chambers) that receive blood, and two ventricles (lower chambers) that pump blood out.
Here are the main functions:
- Pumping Oxygenated Blood: The left ventricle pumps oxygen-rich blood to the rest of the body through the aorta.
- Pumping Deoxygenated Blood: The right ventricle pumps oxygen-poor blood to the lungs through the pulmonary artery to pick up oxygen.
- Receiving Deoxygenated Blood: The right atrium receives deoxygenated blood from the body via the superior and inferior vena cava.
- Receiving Oxygenated Blood: The left atrium receives oxygenated blood from the lungs via the pulmonary veins.
- Circulation: The heart drives both pulmonary circulation (between heart and lungs) and systemic circulation (between heart and the rest of the body).
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