Answer:
The human respiratory and circulatory systems work together to supply the body with oxygen and get rid of waste carbon dioxide.
Answer: Our respiratory and circulatory systems have to work together, the respiratory system takes oxygen from the air we breathe into our lungs, the oxygen is transferred to the blood, the circulatory system then transfers the blood, which transfers the oxygen to the cells for the rest of the body.
Explanation: Edg 2020
