your heart has a artery that pumps through the lung and takes out the carbon dioxide which you brath out and replaces it with oxygen that you inhale.
It transports materials
The circulatory system transports the substances in your blood to your body cells.
blood
The circulatory system.
The blood circulatory system transports cells and dissolved substances to and from the organs designed to deal with filtering out such things.
It transports nutrients through your body.
circulatory system
Yes, it's the circulatory system.
The cardiovascular or circulatory system.
circulatory system (blood)
The respiratory system, which is made up of the heart, lungs and blood vessels.
The circulatory system not only transports oxygen to and CO2 from cells, but also transports nutrients and hormones around the body.