Fill in the blanks: The first heart sound is called __________and it is caused by the closing of the __________ valves. It occurs at the beginning of the __________ phase of the cardiac cycle. The second heart sound is called __________ and it is caused by the closing of the __________ valves. It occurs at the beginning of the __________ phase of the cardiac cycle

Fill in the blanks: The first heart sound is called and it is caused by the closing of the valves. It occurs at the beginning of the phase of the cardiac cycle. The second heart sound is called and it is caused by the closing of the valves. It occurs at the beginning of the phase of the cardiac cycle

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter13: Heart

Section: Chapter Questions

Problem 4RQ

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Describe the cardiac cycle.
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