BIOLOGY
BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Chapter 31, Problem 4WIO
Summary Introduction

To compare:

Figure 31.4 with figure 30.2 and to determine the course of the evolution of lungs that have selected for new adaptations in the circulatory system and how might changes in the heart have selected for more efficient lungs.

Concept introduction:

The major function of the respiratory system is to supply oxygen for cellular respiration and disposal of the carbon dioxide that is a waste product of the cellular respiration. The circulatory system is responsible for bringing oxygen, nutrients, and hormones to the cells of the body.

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