Answer:
RBCs are disc-shaped with a flatter, concave center. This biconcave shape allows the cells to flow smoothly through the narrowest blood vessels. ... Many RBCs are wider than capillaries, but their shape provides the needed flexibility to squeeze through
It’s a or b i think it’s b
what?? please reword this
Answer:
48
Explanation:
because you add 6 and 6 and 12 to get it
