Answered: How do the structures involved in gas…

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter16: The Body's System

Section: Chapter Questions

Problem 33CTQ: How does the structure of alveoli maximize gas exchange?

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How do the structures involved in gas exchange in the lungs differ from conducting structures?

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Gas exchange in lungs : Exchange of gases in lungs occurs at alveoli which are very small thin cappillaries present all around the lungs . Gaseous exchange occurs here at molecular level i.e. exchange in gases means oxygen gets passed into alveoli and carbon dioxide which is present insude alveoli is passed out due to concentration gradient.

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