Veins generally carry deoxygenated blood.
Oxygenated blood is red, deoxygenated blood is blue.
Veins generally carry blue blood.
Veins generally carry what type of blood?
Options:
(A) oxygen
(B) porous
(C) blue
(D) H 2 O
(E) a path
(F) SO2
(G) liquid
(H) nektar