Question

System works as a team with the Circulatory system.
respiratory
muscular
skeletal

Answer 1

Respiratory, as the respiratory system provides oxygen for the blood in the circulatory system, and the circulatory system can then transport the blood around your body and give oxygen to your organs. Carbon dioxide is also picked up by the circulatory system in your blood, and the respiratory system exhales the carbon dioxide.

Answer 2

respiratory

Step-by-step explanation:

for one there's no muscles just more skeleton system but I know for a fact that respiratory system and circulatory system do work together