_______ circulation begins when blood returning to the heart from the pulmonary vein enters the left atrium.

A. Cardiac
B. Pulmonary
C. Systemic
D. Secondary

Question

_______ circulation begins when blood returning to the heart from the pulmonary vein enters the left atrium. 



 A. Cardiac 
 B. Pulmonary 
 C. Systemic 
 D. Secondary

cenaida · Answer

@bibby

bibby · Answer

systemic circulation
network of vessels that carry blood from the heart to the body and from the body back to the heart

coronary circulation
network of arteries and veins that supplies blood to all the cells of the heart

pulmonary circulation
network of vessels that carries blood to and from the lungs

bibby · Answer

I think it's pulmonary

cenaida · Answer

pulmonaro or sysmetic..

bibby · Answer

I am wrong. http://www.ask.com/question/what-are-the-three-types-of-circulation this leads me to believe it's systemic although it's been a while since biology

cenaida · Answer

yea then it is sysmetic.. thanks!