Question

define human circulatory system​

Answer 1

hey mate!

Circulatory system: The system that moves blood throughout the body. The circulatory system is composed of the heart, arteries, capillaries, and veins. This remarkable system transports oxygenated blood from the lungs and heart throughout the body via the arteries.

Answer 2

1) heart (the pump).

2) blood vessel ( the passageways).

3) blood ( the transport medium).

I hope it helps u.