The changes in velocity of blood flow seen in section II are most directly influenced by which of the following?

a. The increasing blood pressure within the vessels
b. the distances of the vessels from the heart
c. The volume of blood pumped in one-systole-diastole cycle
d. The cross-sectional area of vessels
e. The thickness of the vessel walls


Answer: d. The cross-sectional area of vessels

Biology & Microbiology

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Which of the following is the best definition of fermentation?

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