Gills greatly increase the surface area for gas exchange. ... Water flows over gills in one direction while blood flows in the opposite direction through gill capillaries. This countercurrent flow maximizes oxygen transfer.
I’m between a and b but I’m not sure
Answer:
yes
Explanation:
if the patient is crazy and scared and you see it turthfully and its not a lie yes the doctor theresa trust it if the patient wasnt like why she came then for no use