question_answer

Write one function of each of the following components of the transport system in human beings:

(a) Blood vessels

(b) Lymph

(c) Heart

Answer:

(a) Blood vessels: They carry blood throughout the body.

(b) Lymph: It is a clear fluid that travels through the tissues to dense them and keep them firm.

(c) Heart: It pumps blood throughout the body which causes blood circulation.