English, asked by brarsukhmandeep2007, 6 months ago

define : excretion , periodic motion ​

Answers

Answered by deepakojha11411
1

Answer:

Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin.

periodic motion any motion that recurs in identical forms at equal intervals of time

Answered by gubbalalavanya
0

Answer:

EXCRETION :- Metabolic wastages removing or coming out of our body like urine, sweat;tears

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