Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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why is the 4 chamber heart of human more effcient than the 2 chamber heart of a fish
a. in a 2 chamber heart very little pressure is fromed in the ventricle
b. in a 4 chamber heart blood is fully oxygented before it is pumped thoughtout body
c. in a 3 chamber heart the artium is less effecient at receviewing the incoming oxygen blood
d. in a 4 chamber heart fully oxygented blood in a pumped out to the lungs and its pumping again out to the body .
when you taking blood pressure one collapase the branchial artery and the reduce pressure in the cuff . As blood to flow again one writers down that pressure which represent
a. systolic pressure
b. aortic pressure
c. disatolic pressure
d. vavle pressure
cardic output depend on what two factor
a. stroke volume and stroke power
b. cardiac rate and cardic rhythm
c, cardiac rate and stroke voulme
d. blood density blood volume
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