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
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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
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.
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.
This ebola protein interferes with interferon production.
a) VP-35 b) L c) VP 30 d) GP 125