If blood pressure drops,a negative feedback mechanism causes.
A. activation of the venous reservoirs.
B. increase capillary blood flow.
C. increase heart rate, stroke volume, and vasoconstriction.
D. vasodilation of systemic arterioles.
Select your answer:
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Health issue related to immune system › ViewWhen antibodies react with antigens to form insoluble complex the phagocyte can destroy the pathogen easily. What is the name of the mechanism?
A. Precipitation
B. Neutralisation
C. Lysis
D. Agglutination
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What term indicates an exposed root?
A. rampant
B. recurrent
C. cavitation
D. recession