Please answer with explanation, thanks. Relaxation of precapillary sphincters allows blood flow through metarterioles True / FalseBlood flow through metarterioles maximises blood-tissue exchange. True / False b) Choose the correct options to complete the sentence below:When the metabolic activity of a tissue increases, the PCO2 increases decreases and the PO2 increases decreases , causing dilation constriction of the arteriole. This phenomenon is called active hyperemia reactive hyperemia arteriolar tone myogenic response extrinsic regulation .

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Relaxation of precapillary sphincters allows blood flow through metarterioles True / False

Blood flow through metarterioles maximises blood-tissue exchange. True / False

b) Choose the correct options to complete the sentence below:

When the metabolic activity of a tissue increases, the PCO2 increases decreases and the PO2 increases decreases , causing dilation constriction of the arteriole. This phenomenon is called active hyperemia reactive hyperemia arteriolar tone myogenic response extrinsic regulation .

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