The respiratory system
A)obtains O₂ from and eliminates CO₂ to the internal environment
B)includes the heart and lungs
C)helps regulate the pH of the internal environment by removing acid-forming CO₂ from the blood
D)performs all of the functions listed above
E)obtains O₂ from and eliminates CO₂ to the internal environment and helps regulate the pH of the internal environment by removing acid-forming CO₂ from the blood

Question

Quizplus · Accepted Answer

The Answer is C

The Respiratory System