deoxygenatedsystemicpulmonary valvereoxygenatedinterventricular septumdepolarizeS1systemic edemabacking-uppulmonary edemaventriclessimultaneouslypulmonaryS2The heart is a double pump. The right side of the heart pumps receivesblood from the systemic circulation and sends it to thecirculation so it can be reoxygenated. The left side of the heart receivesblood from thepulmonary circulation so it can be distributed to cells through thecirculation. The right and left chambers are separated by aninteratrial septum andThis 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 fromin thepulmonary 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 inTherefore, to ensure that blood moves at similar rates in both the pulmonary and systemic circulations, the left and right atriaand contract simultaneously. The left and rightalso depolarize and contract simultaneously.Because the left and right sides are working in synchrony, the left and right atrioventricular valves open and close, resulting inthe first heart sound (, or lub). Theand aortic valve also open and shut nearly simultaneously,resulting in the second heart sound (or dub).

A network of blood vessels are involved in circulating blood to all the parts of the body. The heart…

. 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

. 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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Question

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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