THE SYSTEM THAT TAKES IN OXYGEN AND RELEASES CARBON DIOXIDE IS CAL...

Question

8. The system that takes  in oxygen and releases carbon dioxide is called …… .A. digestive       B. circulatory      C. respiratory      D. nervous

Answer

8. The system that takes  in oxygen and releases carbon dioxide is called …… .A. digestive       B. circulatory      C. respiratory      D. nervous