About human transport in men check it..

In humans in addition to blood circulatory system. There is also another transport system, the lymphatic system, describe latter in this chapter

@blood circulatory system

The circulatory system of humans have the same 3 components
(A) circulatory fluid_the blood
(B) the pumping organ_ the heart
(C) the blood vessels ,. Arteries capillaries and venis

@The circulatory fluid_the blood

The blood is the medium in witch dissolved nutrients,gases, hormones,and wastes are transport through the body .it is made up of tow main components
(1) plasma
(2) cells or cell_like bodies
(White blood cells,Red blood cells,platelets)
The weight of the body in our body is about 1)12th of our body

This is helpful for the students of first year class