Blood is pumped around the body by the heart via the arteries and veins.
How Does Blood Act As A Transport Medium?
Red blood cells transport oxygen, nutrients etc. Around the body via the veins, arteries and capillaries.
Blood is made up of a liquid part, called the plasma, and a non- liquid part, consisting of cells and cell fragments, which together are called the formed elements. Plasma makes up about 55% of the blood volume, and the formed elements make up the other 45%.
It transports carbon dioxide , oxygen and glucose through the blood flow.