As airways become smaller, ________

A) the amount of cartilage decreases, the amount of smooth muscle increases, and the type of epithelium does not change
B) the amount of cartilage increases, the amount of smooth muscle decreases, and the type of epithelium changes
C) the amount of cartilage decreases, the amount of smooth muscle increases, and the type of epithelium changes
D) the amount of cartilage increases, the amount of smooth muscle increases, and the type of epithelium changes


C

Anatomy & Physiology

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Fill in the blank(s) with correct word

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Using the maintaining of a constant temperature in a building as an example of a feedback loop, the furnace would be an example of a(n):

a. sensor b. control center c. effector d. positive feedback loop

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Compared to skeletal muscle, cardiac muscle has which of the following?

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Anatomy & Physiology