Which of the Following Is Not a Function of the Respiratory

Multiple Choice

Which of the following is not a function of the respiratory system?

A) transports O₂ to the tissues
B) contributes to maintenance of normal acid-base balance
C) provides a route for heat and water elimination
D) enables speech, singing, and other vocalization
E) removes, modifies, activates, or inactivates various materials passing through the pulmonary circulation