Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 34.4, Problem 1CYL
Summary Introduction

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How the structure of the alveoli facilitates gas exchange?

Introduction:

Alveoli are tiny sacs within the lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream. Oxygen from the inhaled air diffuses through the walls of the capillaries into the red blood cells. Carbon dioxide produced by the body tissues return to the alveoli by the blood.

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