Which of the following best describes the chloride shift as seen in the figure?
a. Chloride rushes into RBCs to counterbalance the outflow of bicarbonate.
b. Chloride binds bicarbonate and allows more of it to be carried in the bloodstream.
c. Chloride is taken out of the blood to counterbalance the inflow of carbon dioxide.
d. Chloride is removed from hemoglobin when carbon dioxide binds to it.