Enteronephric nephridia of earthworm are concerned with [CBSE PMT 2000 – McqOptions

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1.	Enteronephric nephridia of earthworm are concerned with [CBSE PMT 2000]
A.	Excretion
B.	Respiration
C.	Digestion
D.	Osmoregulation
Answer» B. Respiration

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