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    • Left-hand side

      • The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the blood collects when it enters the heart.
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  2. Apr 19, 2023 · The heart consists of four chambers – two atria and two ventricles: Blood returning to the heart enters the atria, and is then pumped into the ventricles. From the left ventricle, blood passes into the aorta and enters the systemic circulation.

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  3. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the blood collects when it enters the heart.

  4. Aug 3, 2023 · The heart is divided into two sides by the interatrial and interventricular septa. Each half of the heart has two chambers: an atrium, and a lower chamber called the ventricle. The function of the atria is to collect and pump blood into the ventricles.

  5. The heart contains two upper chambers called atria and two lower chambers called ventricles. The left and right sides of the heart are separated by the septum. Valves prevent the backflow of blood and separate the atria from the ventricle and the ventricle from the pulmonary artery or aorta.

  6. Jun 11, 2024 · The heart is a vital, fist-sized muscular organ located slightly on the left side of the chest. It consists of four main chambers: two atria and two ventricles. Understanding its basic anatomy is crucial to understanding how it functions.

  7. 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.

  8. There are two atria (upper chambers) called your right atrium and left atrium. In addition, there are two ventricles (lower chambers) called your right ventricle and left ventricle. Each chamber plays an important role in your heart’s functioning.