Write one function each of the following components of the transport system in human beings:
(a) Blood vessels
(b) Blood platelets
(c) Lymph
(d) Heart

(a) Blood vessels help in transporting oxygenated and deoxygenated blood to different parts of the body.

(b) Platelets help in the process of blood clotting.

(c) Lymph carries digested and absorbed fats from the intestine. It also provides immunity to the body.

(d) Heart acts as a pump and helps circulate blood throughout the body.