PHYS20008 Lecture Notes - Lecture 20: Pulmonary Circulation, Blood Vessel, Cardiac Output
27 Jul 2018
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Document Summary
* the cardiovascular system is the support system for all the other systems it delivers things around the body (e. g. oxygen, hormones etc. ) * distribution of dissolved gases and other molecules for nutrition, growth and repair; waste removal. * chemical signalling to cells by means of circulating hormones. * mediate inflammatory and host defence response against invading microorganisms; transport clotting factors, delivering white blood cells and antibodies required for immune response etc. * conserve or release heat near skin surface. * blood i(cid:374) (cid:448)ei(cid:374)s does (cid:272)arr(cid:455) o(cid:454)(cid:455)ge(cid:374), (cid:271)ut (cid:448)ei(cid:374)s are(cid:374)(cid:859)t (cid:449)ell o(cid:454)(cid:455)ge(cid:374)ated it is about 40% of the oxygen that comes from blood after it exits lungs. * pulmonary vein (carries blood from lungs back to the heart) and aorta carry well-oxygenated blood. * the first circuit is the systemic circulation which is coming out of the left side of the heart (out of the aorta and going to all the organs in the body, except the lungs)
