during the four phases of the cardiac cycle. Which valves open/close during these phases?VentricularIsovolumetricVentricularIsovolumetricFillingContractionEjectionRelaxationBlood FlowLowVentricularVolumeVentricularPressureAortic PressureWhich valvesopen/close inthe beginning of

Answered: during the four phases of the cardiac…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

during the four phases of the cardiac cycle. Which valves open/close during these phases?
Ventricular
Isovolumetric
Ventricular
Isovolumetric
Filling
Contraction
Ejection
Relaxation
Blood Flow
Low
Ventricular
Volume
Ventricular
Pressure
Aortic Pressure
Which valves
open/close in
the beginning of

Expert Solution

Step 1: Introduction

Cardiac cycle is defined as the time period between the contraction of atria and relaxation of ventricles. During the contraction(systole) phase, the heart muscles contract and pumps the blood to circulation. During the relaxation(diastole) phase, the heart chambers receives the blood from the circulation.

The cardiac cycle consist of many different phases in order to represent the hemodynamic and electrical changes occurring in the systole and diastole phases.