. The right side of the heart pumps receives blood from the systemic circulation and sends it to i circulation so it can be reoxygenated. The left side of the heart receives blood from the can be distributed to cells through the circulation. The right and left chambers are separated by a . This ensures that deoxygenated and oxygenate blood do not mix. d left sides of the heart pump blood at the same rate, in order to prevent blood from in the ulations. If the right side of the heart is pumping blood at a faster rate than the left side, it will cause

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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deoxygenated
systemic
pulmonary valve
reoxygenated
interventricular septum
depolarize
S1
systemic edema
backing-up
pulmonary edema
ventricles
simultaneously
pulmonary
S2
The heart is a double pump. The right side of the heart pumps receives
blood from the systemic circulation and sends it to the
circulation so it can be reoxygenated. The left side of the heart receives
blood from the
pulmonary circulation so it can be distributed to cells through the
circulation. The right and left chambers are separated by an
interatrial septum and
This ensures that deoxygenated and oxygenate blood do not mix.
It is critical that the right and left sides of the heart pump blood at the same rate, in order to prevent blood from
in the
pulmonary or systemic circulations. If the right side of the heart is pumping blood at a faster rate than the left side, it will cause
. If the left side of the heart is pumping blood at a faster rate than the right side, it will result in
Therefore, to ensure that blood moves at similar rates in both the pulmonary and systemic circulations, the left and right atria
and contract simultaneously. The left and right
also depolarize and contract simultaneously.
Because the left and right sides are working in synchrony, the left and right atrioventricular valves open and close
, resulting in
the first heart sound (
, or lub). The
and aortic valve also open and shut nearly simultaneously,
resulting in the second heart sound (
or dub).
Transcribed Image Text:deoxygenated systemic pulmonary valve reoxygenated interventricular septum depolarize S1 systemic edema backing-up pulmonary edema ventricles simultaneously pulmonary S2 The heart is a double pump. The right side of the heart pumps receives blood from the systemic circulation and sends it to the circulation so it can be reoxygenated. The left side of the heart receives blood from the pulmonary circulation so it can be distributed to cells through the circulation. The right and left chambers are separated by an interatrial septum and This ensures that deoxygenated and oxygenate blood do not mix. It is critical that the right and left sides of the heart pump blood at the same rate, in order to prevent blood from in the pulmonary or systemic circulations. If the right side of the heart is pumping blood at a faster rate than the left side, it will cause . If the left side of the heart is pumping blood at a faster rate than the right side, it will result in Therefore, to ensure that blood moves at similar rates in both the pulmonary and systemic circulations, the left and right atria and contract simultaneously. The left and right also depolarize and contract simultaneously. Because the left and right sides are working in synchrony, the left and right atrioventricular valves open and close , resulting in the first heart sound ( , or lub). The and aortic valve also open and shut nearly simultaneously, resulting in the second heart sound ( or dub).
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