Which statement correctly describes an interaction of the respiratory and

circulatory systems?

A. Carbon dioxide travels from the heart to the lungs in the

pulmonary arteries.

B. Carbon dioxide travels from the heart to the lungs in the

pulmonary veins.

C. Carbon dioxide flows with the blood from the lungs to the legs.

D. Carbon dioxide flows with the blood from the trachea to the lungs.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users