High pressured blood in the ventricles: O forces the AV valves open. O forces the semilunar valves open. O forces both the AV valves and semilunar valves shut. forces both the AV valves and semilunar valves open

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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High pressured blood in the ventricles:
O forces the AV valves open.
forces the semilunar valves open.
O forces both the AV valves and semilunar valves shut.
O forces both the AV valves and semilunar valves open
Transcribed Image Text:High pressured blood in the ventricles: O forces the AV valves open. forces the semilunar valves open. O forces both the AV valves and semilunar valves shut. O forces both the AV valves and semilunar valves open
Expert Solution
Heart Anatomy

The heart is the blood pumping organ of animals. It is composed of 4 chambers. The 2 upper chambers are called the left and right atrium while the 2 lower chambers are called the left and right ventricles. There are 2 Atrio-Ventricular (AV) valves;

  1. the bicuspid valve between the left atrium and left ventricle 
  2. the tricuspid valve between the right atrium and right ventricle.

Similarly there are 2 Semilunar valves;

  1. one guarding the exit of aorta from left ventricle and
  2. the other guarding the exit of pulmonary artery from right ventricle.
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