The chloride shif:.
a) inflates alveoli while decreasing oxygen delivery to tissues.
b) maintains the ionic balance between the red blood cells and the plasma.
c) replaces carbonic anhydrase.
d) regulates the amount of salt in the large intestine compared to the small intestine.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic