Answer:
(a)
Lymph is a colourless tissue fluid flowing in lymphatic capillaries in the
body. (1)
(b) Through the pores present in the walls of capillaries, some amount of
proteins, plasma and blood cells escape into intercellular spaces in the tissues
to form lymph. (1)
(c) Lymph has following role in our body
(i) Lymph carries digested and absorbed fat from intestine
and drains excess fluid from extracellular space back into the blood.
(ii) It also fights against the infection by lymphocytes.
(1)
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