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
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What is the world's largest fossil fuel reserve?
a. Oil b. Methane hydrate c. Natural gas d. Coal
Most digestion and the major site of absorpation is in the
A. cecum B. colon C. small intestine D. large intestin
A population with ________ is at risk for extinction
Fill in the blank(s) with correct word
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.