APA 2312 Lecture Notes - Lecture 12: Skeletal Muscle, Fick Principle, Frostbite
4 Apr 2016
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Document Summary
During exercise, the sv of a trained. Smooth muscle is involuntarily controlled, typically located in blood vessels and intesines individual increases, because edv increases. From heart to capillaries, arteries change: from elasic arteries, to muscular arteries, to arterioles, to capillaries. Resultant bulge resembles a bubble in the wall of a ire. Happens most oten in the circle of willis. Veins are holding tank for most of the blood (at rest) Exercise will help you decrease your cholesterol, and help maintain your blood vessels. However, it is much harder to get people to exercise on a regular basis, rather than geing an angioplasty operaion. Limited circulaion, heart lacks oxygen & nutrients to pump blood. Tunica media = few elasic ibres, many muscle cells. Provides structural integrity to vessels that are the primary distributor to organs and issues. Tunica media = 2 layers of smooth muscle. Change diameter in response to sympatheic or endocrine simulaion: vasoconstricion or vasodilaion.
