Answered: a build up in fluids in the lung will…

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

a build up in fluids in the lung will result in a reduced amount of oxygen in the blood returning to the heart from the lungs because A) the bronchioles have dilated B) there is less hemoglobin in the blood C) the surface area for external respiration has been reduced D) the permeability of the lung capillaries has been increased

Expert Solution

Introduction:

External respiration refers to the inhalation of air from the surrounding environment into the lungs where the deoxygenated blood comes from the heart. The blood loses carbon dioxide and instead picks up oxygen. This oxygenated blood is then returned back to the heart. The carbon dioxide that is given up in the lungs gets expelled into the atmosphere by exhalation.

The circulation of blood via the pulmonary artery from the right ventricle to the lungs and its return to the left atrium via the pulmonary vein constitutes pulmonary circulation.