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The Human Heart

The Human Heart. Parts of the Internal Heart. 6. 7. 1. 8. 2. 9. 3. 4. 10. 5. 11. Path of Blood Flow. Pulmonary Valve. Keeps blood from flowing back into the right ventricle. Back to the Heart. Bicuspid Valve. Prevents blood from flowing back into the left atrium

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The Human Heart

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  1. The Human Heart

  2. Parts of the Internal Heart 6 7 1 8 2 9 3 4 10 5 11 Path of Blood Flow

  3. Pulmonary Valve • Keeps blood from flowing back into the right ventricle Back to the Heart

  4. Bicuspid Valve • Prevents blood from flowing back into the left atrium • Also called the Mitral valve Back to the Heart

  5. Left Atrium • Receives oxygen rich blood from the pulmonary veins Back to the Heart

  6. Pulmonary Trunk • Transfers blood through the pulmonary arteries to the lungs Back to the Heart

  7. Prevents blood from going back into the left ventricle Aortic Valve ___ __ ___ ____

  8. Tricuspid Valve • Prevents backflow of blood to the right atrium • 3 cusps Back to the Heart

  9. Aorta • Blood flows from the aorta throughout the entire body • Largest vessel in the body Back to the Heart

  10. Left Ventricle • Pumping chamber which forces blood through the aortic valve • More muscular than the right ventricle Back to the Heart

  11. Right Atrium • Collecting chamber • Blood is forced to the right ventricle Back to the Heart

  12. Interventricular Septum • Separates the pumping chambers of the heart Back to the Heart

  13. Superior Vena Cava • Blood from the SVC & IVC is released into the right atrium Back to the Heart

  14. Path of Blood Flow Place the following items in the correct sequence: body tissue, aorta, bicuspid valve, left atrium, lungs, pulmonary trunk, pulmonary arteries, left ventricle, pulmonary veins, right atrium, right ventricle, tricuspid valve, aortic valve, pulmonary valve., superior vena cava Oxygen poor blood is collected from the inferior and ___________ _______ ________. It is released into the _________ _______ where it moves through the _________ valve into the ________ __________. When the right ventricle contracts, blood is forced through the _________ valve into the ____________ _______ which splits into the left & right pulmonary __________. Blood is taken via the arteries to the _____ where oxygen & carbon dioxide diffuse through the simple squamous tissue. Oxygen-rich blood then returns to the heart via the ___________ ________ which empty into the _________ ________. Once the atrium contracts, the blood passes through the __________ ________ into the _________ _________. Once the ventricle contracts blood is forced through the _________ valve and out of the _________ to travel to the _______ ________ . Answer

  15. Right Ventricle • Receives blood from the superior and inferior vena cava Back to the Heart

  16. Superior Vena Cava Right Atrium Tricuspid Valve Right Ventricle Pulmonary Valve Pulmonary Trunk Pulmonary Arteries Lungs Pulmonary Veins Left Atrium Bicuspid Valve/Mitral valve Left Ventricle Aortic Valve Aorta Body Tissue Path of Blood Flow: Answer Sheet Back to the Heart

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