BIOLOGY,SCIENCE,SYSTEMS

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Chapter 18

Urinary System
and Fluid Balance
Lecture Outline
© 2019 McGraw-Hill Education

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Urinary System 1




The urinary system is the major excretory
system of the body.
Some organs in other systems also eliminate
wastes, but they are not able to compensate in
the case of kidney failure.




© 2019 McGraw-Hill Education

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Urinary System 2




Figure 18.1
© 2019 McGraw-Hill Education

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Urinary System Functions
1. Excretion
2. Regulation of blood volume and blood
pressure
3. Regulation of blood solute concentration
4. Regulation of extracellular fluid pH
5. Regulation of red blood cell synthesis
6. Regulation of Vitamin D synthesis

© 2019 McGraw-Hill Education