What is the major functions of the arterial system? - ProProfs Discuss
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What is the major functions of the arterial system?



A. Conduit
B. Return Blood to Heart
C. Pressure Reservoir
D. Dampening Oscillations
E. Volume Reservoir
F. Maintenance of Arterial Pressure
G. Control of Flow Distribution
Asked by Darton, Last updated: Dec 05, 2017

This question is part of

Animal Physiology Exam #2

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1 Answer

John Smith

John Smith

Answered on Sep 08, 2016

Conduit-2. pressure reservoir-3. dampening oscillations-4. control of flow distribution -1) conduit - arteries are a way to get blood to tissue 2) pressure reservoir - the pressure in arteries is potential energy. the pressure acts a driving force for fluid flow so blood can make it to small diameter vessels. 3) dampening oscillations - capillaries demand a smooth, continuous flow of blood for proper exchange, and the elastic recoil of arterial walls tempers the pressure and volume changes mainly due to the collagen layer of the tunica adventitia. 4) control of flow distribution - the distribution of systemic blood varies based on the metabolic needs of individual organs. distribution is governed by a combination of local control mechanisms and homeostatic reflexes (neural and hormonal). evidence of this? a) arterioles maintain a tonic level of contraction induced neuronally or non-neuronally -neuronal -adrenergic receptors (alpha1 norepi -> vasoconstriction and beta2 epi -> vasodilation) -cholinergic receptors (ach) vasodilation -non-neuronal (local control) -pre-capillary sphincters (bands of smooth muscle at (met)arterioles) refer to slides 13+14 from the peripheral circulation lecture for pictures of the metarteriole sphincter effects on blood circulation to capillary networks
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John Adney

John Adney

Replied on Sep 17, 2017

Wow it's so long sentence

John Adney

John Adney

Replied on Sep 17, 2017

Wow it's so long sentence

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