89.2k views
0 votes
Very thin and fragile

red blood cells pass through in single file
exchange of oxygen and carbon dioxide happens here
The three phrases above describe the
in our circulatory system.
A)
veins
B)
arteries
capillaries
D)
blood plasma

1 Answer

7 votes
The answer Is C. Hope this helps
User SMAKSS
by
8.1k points