Lymph is a colorless or slightly yellowish fluid. It is a medium of circulation in human body which flows only in one direction - from body tissues to the heart.
The functions of lymph are:
(i) Lymph helps in removing the waste products.
(ii) Lymph carries digested fat from the small intestine to the entire body.
(iii) Lymph nodes contain lymphocytes which kill the germs or foreign bodies.
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