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    • Upper chambers

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      basicmedicalkey.com

      • Atria are the upper chambers of the heart. They receive blood returning to the heart from other areas of the body and send blood to the ventricles.
      www.thoughtco.com/atria-of-the-heart-anatomy-373232

      Atria of the Heart Function - ThoughtCo

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    • Biology: The Heart: Level 1 activity for kids | PrimaryLeap.co.uk
    • The aorta is the largest artery in the body. The aorta begins at the ...
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    • Heart – External Features – Anatomy QA

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  4. www.kenhub.com › anatomy › the-atria-of-the-heartHeart (right and left atrium): Anatomy and function | Kenhub

    Aug 17, 2023 · Basic anatomy of the heart. The heart is at the center of this system, as it pumps blood through vascular channels towards the target tissue. Recall that the heart is a roughly pyramidal organ made up of two muscular pumps that are connected in-series – namely, the left and right heart.

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  5. anatomyandphysiologyi.com › heart-anatomyHeart Anatomy: size, location, coverings and layers

    Aug 26, 2013 · Location of the heart in the mediastinum. The superficial epicardium is the visceral layer of the serous pericardium. The middle layer is the myocardium and is composed mainly of cardiac muscle and forms the bulk of the heart.

  6. en.wikipedia.org › wiki › Atrium_(heart)Atrium (heart) - Wikipedia

    The atrium (Latin: ātrium, lit. 'entry hall'; pl.: atria) is one of the two upper chambers in the heart that receives blood from the circulatory system. The blood in the atria is pumped into the heart ventricles through the atrioventricular mitral and tricuspid heart valves.

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  8. med.libretexts.org › Bookshelves › Anatomy_and17.2: Heart Anatomy - Medicine LibreTexts

    Oct 20, 2024 · Describe the location and position of the heart within the body cavity; Describe the internal and external anatomy of the heart; Identify the tissue layers of the heart and pericardium; Compare systemic circulation to pulmonary circulation; Trace the pathway of oxygenated and deoxygenated blood through the chambers of the heart

  9. www.textbookofcardiology.org › wiki › Anatomy_of_theAnatomy of the Heart - Textbook of Cardiology

    Jan 11, 2021 · Furthermore, the position of the cardiac septum at about 45º to the median brings the ‘right heart’ structures anterior to the ‘left heart’ structures (Figure 3A). The ventricles are situated inferior and leftward relative to their corresponding atria.

  10. www.thoughtco.com › atria-of-the-heart-anatomy-373232Atria of the Heart Function - ThoughtCo

    Sep 2, 2021 · Atria are separated by an interatrial septum into the left atrium and the right atrium. The lower two chambers of the heart are called ventricles. Atria receive blood returning to the heart from the body and ventricles pump blood from the heart to the body.

  11. www.innerbody.com › image › card01The Heart: Anatomy and 3D Illustrations - Innerbody

    3 days ago · The heart is located in the thoracic cavity medial to the lungs and posterior to the sternum. On its superior end, the base of the heart is attached to the aorta, pulmonary arteries and veins, and the vena cava. The inferior tip of the heart, known as the apex, rests just superior to the diaphragm.

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