The circulatory system contains the blood, veins, arteries, capillaries, heart
What Does The Circulatory System Contain?
Circulatory system contains heart,veins and arteries
The circulatory system contains blood and urine. Each time the blood passes through the kidneys, a portion of the urine is filtered off and you pee it out, making you feel SO much better, don't you think?
Bad answer. The circulatory system contains blood.