Chronically high blood pressure is called

a. ventricular fibrillation.
b. hypertension.
c. leukemia.
d. sickle-cell anemia.
e. a stroke


B

Biology & Microbiology

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The type of neuron that conducts its message from the central nervous system toward an effector is the

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Nonspecific cell responses depend on the actions of lymphocytes, natural killer cells, and dendritic

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All the following are true of B vitamins EXCEPT

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