Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 34.3, Problem 2CSC
Summary Introduction

To answer:

What happens during an asthma attack.

Introduction:

An asthma attack is a sudden worsening of asthma symptoms caused by tightening of muscles around the airways. During the asthma attack, the lining of airways also becomes swollen or inflamed and thicker mucus is produced.

Summary Introduction

To answer:

How do the alveoli provide life-sustaining oxygen to the bloodstream.

Introduction:

Every organism required oxygen from blood for survival and removal of waste carbon dioxide from the blood into the air; this is called as gas exchange. The alveoli are adapted to make the gas exchange in lungs easily and efficiently.

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