Ask your own question, for FREE!
Biology 12 Online
OpenStudy (anonymous):

which of the following is the smallest 1.arteries 2.capillaries 3.veins 4.arterioles

OpenStudy (anonymous):

capillaries. Blood pumped from the heart flows away from the heart in arteries, and then branches off to arterioles, then the smallest of them all, capillaries, where O2 and CO2 exchange occurs

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!