Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: This is the chemical form in which most of the carbon dioxide is transported in the blood.

A) cooperative
B) oxygen
C) fMRI
D) carbamate
E) histidine
F) hyperbolic
G) myoglobin
H) bicarbonate ion
I) sickle-cell anemia
J) protoporphyrin
K) fetal
L) carbonic acid