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  1. Study with Quizlet and memorize flashcards containing terms like Trace the pathway of blood through the heart, Compare the pulmonary and systemic circuits, Explain the operation of the heart vavles and more.

  2. Myocardium. #14 The thick middle layer that develops the pressure required to pump blood through the vessels. Pericardium. #15 Double-layered membrane surrounding the heart. figure 5.3 Learn with flashcards, games, and more — for free.

  3. Study with Quizlet and memorize flashcards containing terms like Base of the Heart, Apex of the Heart, Coronary Sulcus and more.

  4. The circulatory system - a PDF file of the upper and lower body for printing out to use off-line. Articles : Describe and explain the function of the circulatory system - The circulatory system consists of the heart, the blood vessels (veins, arteries, and capillaries), and the blood.

  5. Oct 30, 2023 · Do you want a fun way to learn the structure of the heart? Look no further; we’ve got you covered. On this page, you will find quizzes and labeled & unlabelled diagrams that will help you to learn all of the parts of the heart, stress-free. After all, we know that stress is bad for the heart!

  6. 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). A typical heart is approximately the size of your fist: 12 cm (5 in) in length, 8 cm (3.5 in) wide, and 6 cm (2.5 in) in thickness.

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  8. Oct 31, 2024 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds.