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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Beanieman Beanieman
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8 years ago
What happens to the amount of cartilage in the walls of the respiratory tract as it moves down from the upper conducting zone to the lower respiratory zone?
A) increases
B) decreases
C) no change
D) hypertrophies
E) thickens
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
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venuskyvenusky
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8 years ago
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Beanieman Author
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8 years ago
White Heavy Checkmark SOLVED
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#3
8 years ago
Let me know what else you need
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