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  1. cardiac septum located between the atria and ventricles; atrioventricular valves are located here

  2. Study with Quizlet and memorize flashcards containing terms like anastomosis, anterior cardiac veins, anterior interventricular artery and more.

    • Location of the Heart. The human heart is located within the thoracic cavity, medially between the lungs in the space known as the mediastinum. Figure 19.2 shows the position of the heart within the thoracic cavity.
    • Shape and Size of the Heart. The shape of the heart is similar to a pinecone, rather broad at the superior surface and tapering to the apex (see Figure 19.2).
    • Chambers and Circulation through the Heart. The human heart consists of four chambers: The left side and the right side each have one atrium and one ventricle.
    • Membranes, Surface Features, and Layers. Our exploration of more in-depth heart structures begins by examining the membrane that surrounds the heart, the prominent surface features of the heart, and the layers that form the wall of the heart.
  3. Mar 23, 2024 · Study with Quizlet and memorize flashcards containing terms like anastomosis, anterior cardiac veins, anterior interventricular artery and more.

  4. The heart resides within the pericardial sac and is located in the mediastinal space within the thoracic cavity. The pericardial sac consists of two fused layers: an outer fibrous capsule and an inner parietal pericardium lined with a serous membrane.

  5. Study with Quizlet and memorize flashcards containing terms like Mediastinum, Pericardial sac, fibrous pericardium and more.

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  7. Learn about human anatomy and physiology online by downloading OpenStax's free Anatomy and Physiology 2e book and using our accompanying study guide.

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