Contraction of the diaphragm and external intercostal muscles is an active process leads to: a. Decrease alveolar pressure in the lungs. b. Lung Expand. c. Thorax epand. d. All of the above are correct. e. Air flow into the lungs
Contraction of the diaphragm and external intercostal muscles is an active process leads to: a. Decrease alveolar pressure in the lungs. b. Lung Expand. c. Thorax epand. d. All of the above are correct. e. Air flow into the lungs
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
Contraction of the diaphragm and external intercostal muscles is an active process leads to:
a.
Decrease alveolar pressure in the lungs.
b.
Lung Expand.
c.
Thorax epand.
d.
All of the above are correct.
e.
Air flow into the lungs
Expert Solution
Introduction:
Respiration is an active process with two distinct steps - inhalation and exhalation. The process involves the movement of muscles of the upper torso and thus movement in lung tissues. Each breathe-in and breathe-out occurs in several steps in immediate succession.
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