Q. 1. The kidneys in human beings are a part of the system for
(a) nutrition. (c) excretion.
(b) respiration. (d) transportation.
The kidneys in human beings are a part of the system for excretion.
(c) is the correct answer.
B
Excretion
(C) excretion
B). Respiration
B). Excretion
C.excretion
C
Respiration
C EXCRETION
(c) excretion
C) excretion..
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