For a normal, healthy individual, what percentage of whole blood is plasma?
a. 25 percent
b. 40 percent
c. 45 percent
d. 55 percent
e. 60 percent
ANSWER: d
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The pulmonary artery carries blood away from the
a. aorta. b. right atrium. c. right ventricle. d. left atrium. e. left ventricle.
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Who disproved the "broth-to-microorganisms" hypothesis?
A) Sidney Altman B) Louis Pasteur C) Stanley Miller D) Alexander Oparin E) Francisco Redi