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  1. my.clevelandclinic.org › health › bodyHeart: Anatomy & Function - Cleveland Clinic

    What are the parts of the heart? The parts of your heart are like the parts of a building. Your heart anatomy includes: Walls. Chambers that are like rooms. Valves that open and close like doors to the rooms. Blood vessels like plumbing pipes that run through a building. An electrical conduction system like electrical power that runs through a ...

  2. www.verywellhealth.com › cardiac-electrical-systemThe Heart's Electrical System: Anatomy and Function

    Mar 12, 2023 · The right atrium is one of four heart chambers and related valves, which include two atria at the top of the heart with two ventricles at the bottom. The cardiac electrical signal controls the heartbeat in two ways. First, since each electrical impulse generates one heartbeat, the number of electrical impulses determines the heart rate. In a ...

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  4. www.medicalnewstoday.com › articles › 320565The heart: Anatomy, how it works, and more - Medical News Today

    Sep 30, 2020 · The heart beats around 100,000 times a day, pumping approximately 8 pints of blood throughout the body 24/7.This delivers oxygen- and nutrient-rich blood to tissues and organs and carries away waste.

  5. www.texasheart.org › heart-health › heartHeartbeat - The Texas Heart Institute

    A heartbeat is a two-part pumping action that takes about a second. As blood collects in the upper chambers (the right and left atria), the heart's natural pacemaker (the SA node) sends out an electrical signal that causes the atria to contract.

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    • Basic Anatomy and Function of the Heart | New York Cardiac Diagnostic ...
    • Parts Of The Human Heart And Their Functions | MedicineBTG.com
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    • The 18 parts of the human heart, and their functions - Wellnessbeam
    • Parts Of The Human Heart And Their Functions | MedicineBTG.com

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  7. www.nhlbi.nih.gov › health › heartHow the Heart Works - How the Heart Beats - NHLBI, NIH

    Mar 24, 2022 · With each heartbeat, an electrical signal travels from the top of the heart to the bottom. As the signal travels, it causes the heart to contract and pump blood. The heartbeat process includes the following steps. The signal begins in a group of cells, called pacemaker cells, located in the sinoatrial (SA) node in the right atrium.

  8. www.merckmanuals.com › home › heart-and-blood-vesselBiology of the Heart - Biology of the Heart - The Merck Manuals

    Each heartbeat has two parts: Systole: During systole, the ventricles contract and pump blood out of the heart, and the atria relax and begin filling with blood again. Diastole: During diastole, the ventricles relax and fill with blood. Then the atria contract, forcing more blood into the ventricles. Function of the Heart

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  10. www.visiblebody.com › circulatory-the-heartThe Heart | Circulatory Anatomy - Visible Body

    The right atrium receives deoxygenated blood returning from other parts of the body. Valves connect the atria to the ventricles, the lower chambers. Each atrium empties into the corresponding ventricle below. 3. Each Heart Beat Is a Squeeze of Two Chambers Called Ventricles. The ventricles are the two lower chambers of the heart.

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