Which of the following respiratory structures will have the least amount of cartilage and the thinnest walls?


Select one:
a. larynx
b. trachea
c. bronchi
d. bronchioles
e. pharynx


d. bronchioles

Biology & Microbiology

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What is the world's largest fossil fuel reserve?

a. Oil b. Methane hydrate c. Natural gas d. Coal

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Most digestion and the major site of absorpation is in the

A. cecum B. colon C. small intestine D. large intestin

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A population with ________ is at risk for extinction

Fill in the blank(s) with correct word

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During photosynthesis, plants use light energy to synthesize glucose from carbon dioxide. However, plants do not use up energy during photosynthesis; they merely convert it from light energy to chemical energy. This is an illustration of:

A) spontaneous reaction. B) the first law of thermodynamics. C) increasing entropy. D) chemical equilibrium. E) the second law of thermodynamics.

Biology & Microbiology