Circulator y, Respirator y, and Excretor y Systems 353
Parts of the
Excretory
System
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The Kidneys
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on page.
Describe three functions of the excretor y system that help maintain
homeostasis of the body.
1.
2.
3.
Identify the main waste products secreted by the following
components of the excretor y system.
lungs:
skin:
Model the structure of a kidney, including a diagram of a nephron.
Label each major component.
Section 34.3 Excretory System (continued)
Main Idea Details
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