HEART LAB NAME ________________________ 1. What is the name of the large sac that surrounds the heart? ____________________________________ 2. What is the dominant tissue that makes up the heart? _______________________________________ 3. Compare the structure of the atria & and ventricles. Atria Ventricle 4. What is the function of the valves? ______________________________________________________________ Valves Location Tricuspid Valve Pulmonary Semilunar Valve Bicuspid Valve Aortic Semilunar Valve 5. Why is the heart referred to as a double pump? __________________________________________________ ____________________________________________________________________________________ ____ 6. Give the function for each of the layers in the heart. Three layers of the heart Function Epicardium Myocardium Endocardium 7. What is the purpose of the chordae tendinae? _____________________________________________________ 8. Why is the heart referred to as a double pump? ___________________________________________________
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HEART LAB NAME ________________________
1. What is the name of the large sac that surrounds the heart? ____________________________________
2. What is the dominant tissue that makes up the heart? _______________________________________
3. Compare the structure of the atria & and ventricles.Atria Ventricle
4. What is the function of the valves? ______________________________________________________________
Valves LocationTricuspid Valve
Pulmonary Semilunar ValveBicuspid Valve
Aortic Semilunar Valve
5. Why is the heart referred to as a double pump? __________________________________________________
9. Blood flow through the heart.The blood enters the __________________ through the superior and inferior __________________. From there it goes through the ____________________ valve into the ______________________. The ventricle contracts and the blood moves out of the heart through the ________________ valve into the pulmonary trunk to the pulmonary __________ to the ________. There the blood picks up ___________ and drops off _____________. Blood returns to the heart through the ______________________ into the ______________________. It then passes through the ________________ valve to the _________________. The strongest contraction of the heart in the ___________________ pushes blood through the ______________________ valve into the ___________ to the rest of the body.