Blood is routed through the capillary beds through the action of ____ at the metarterioles

a. epithelium
b. precapillary sphincters
c. cartilage
d. fibrous connective tissue
e. skeletal muscle


b

Biology & Microbiology

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Which of the following could be used to demonstrate a homeostatic mechanism?

a. city buses transporting people from their houses to their jobs b. water stored behind a dam being released to make electricity c. a hot water heater keeping the water temperature near 100 degrees d. a series of underground passageways connected to a large building e. the seasonal changes that occur in the daily temperature

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The blood vessels that supply oxygenated blood to the heart tissue itself are the

A. pulmonary veins. B. coronary arteries. C. coronary sinuses. D. pulmonary trunks. E. venae cavae.

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Prokaryotes are classified into

A) domain Protista and domain Archaea. B) kingdom Bacteria and kingdom Archaea. C) domain Bacteria and domain Archaea. D) kingdom Protista and kingdom Bacteria.

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This ebola protein interferes with interferon production.

a) VP-35 b) L c) VP 30 d) GP 125

Biology & Microbiology