Blood vessels that connect networks of capillary beds are

(a) arteries.
(b) veins.
(c) portal veins.
(d) both b and c.


(c) portal veins.

Biology & Microbiology

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Indicate whether the statement is true or false.

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Stomach acid does not break down the wall of the stomach because gastric juice contains a powerful base that neutralizes the acid before it can cause damage

Indicate whether the statement is true or false

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A molecule of chlorophyll increases in potential energy when one of its electrons is boosted to a higher-energy excited state on being struck by a photon of light

a. true b. false

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