If blood pressure is too high, the brain _________ heart rate and causes blood vessels to _________.

A. increases; dilate

B. increases; constrict

C. decreases; constrict

D. decreases; dilate

E. increases; rupture


D. decreases; dilate

Biology & Microbiology

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A) glycolysis. B) gluconeogenesis. C) aglycolysis. D) glucogenesis. E) both choices B and C

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About ____ percent of all newborns are affected with an abnormal karyotype

a. 0.001 b. 0.01 c. 0.05 d. 0.5 e. 1.0

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Which two producers will dominate a coniferous forest at the higher elevations?

a. Spruce and firs b. Spruce and pines c. Spruce and mosses d. Lichens and firs e. Firs and pines

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_____ is a risk of self-fertilization in angiosperms.

a. Inbreeding b. Imperfect flowers d. Hermaphroditic plants c. Overpopulation

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