What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 23, Problem 7SA
Summary Introduction
To review:
The four phases used by humans to extract nutrients from food, and the major activities occurring in each step.
Introduction:
Humans obtain nutrients from food in four steps – ingestion, digestion, absorption and elimination.
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Chapter 23 Solutions
What Is Life? A Guide to Biology with Physiology
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