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cardiovascular system
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what are the four parts included in the cardio system?
heart
blood vessels
blood
blood circulation
name the main facts and functions of the heart
devided into four chambers
right ventricle left ventricle
right atrium left atrium
heart is seperated from the thoratic cavity wall by the lungs and the pleura
what is the cardiac cycle?
contraction (systole)
relaxation (diastole)
of the atria and the ventricles
name the three types of blood vessels
capillaries, veins, arteries
name the main facts and functions of the arteries
carry oxygenated blood from the heart to the body
thick elasticated walls
deeper than veins
facts and functions of veins
hollow tubes simialar to arteries with thinner less elastic walls
transport blood back to the heart
veins have backflow valves to prevent backflow in the veins
main functions and facts on capillaries
distribute the blood to the tissues from the aterioles pick up the blood and return it to the venules
main facts and functions of blood
60% liquid (plasma)
40% formed elements such as WBC,RBC,and PLts
transports oxygen
distributes nutrience
collects waste products delivers to excretory organs for excretion
what is the pulse?
pulse is produced by the blood pumping out of the heart and into the aorta
how does the blood circulate through the body, explain systemic circulation?
comprised of portal circulation (through the liver) and the pulmonary circulation (through the lungs)
what are the main vessels for venupuncture?
femoral
cephalic
saphenous
jugular
Author
eleanorgwenmurtagh
ID
189718
Card Set
cardiovascular system
Description
midterm prep
Updated
12/16/2012, 4:24:01 AM
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