Question

respiratory system interacts with the __________ system to make sure oxygen reaches all the cells of our body.
a) nervous
b) digestive
c) circulatory
d) integumentary

Explanation:

The circulatory system transports oxygen and nutrients to cells and removes waste. The respiratory system takes in oxygen and expels carbon - dioxide. They work together to ensure cells get oxygen. The respiratory system provides oxygen which the circulatory system distributes to all cells in the body.

Answer:

C. Circulatory