asked 214k views
1 vote
Vessels that allow for the exchange of oxygen and carbon dioxide between blood cells or air sacs in the lungs.

A.arteries
B.capillaries
C.veins
D.bronchi

asked
User Ogostos
by
8.5k points

1 Answer

1 vote
B . capillaries.....................
answered
User Thecoolwinter
by
7.9k points
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