A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____
a. diffusion
b. endocytosis
c. exocytosis
d. osmosis
e. facilitated diffusion
ANSWER: c
Biology & Microbiology
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The contraction phase of the cardiac cycle is known as ____
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In which disorder is the elastic tissue of the lung destroyed making expiration extremely difficult?
a. emphysema b. asthma c. lung cancer d. bronchitis e. apnea
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Resolving power is the ability to see an object in sharp focus.
a. true b. false
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