Question

write the main respiratory organ in following 1. insect 2. earthworm

Answer 1

Answer:

insect:- tracheal system and earthworm:- cutaneous system

Explanation:

in insects there are several network of hollow pipe like structure which goes to every tissue and cell and provide oxygen.

In insect blood doesn't transport oxygen.

In earthworm a thin layer of water is present on ther skin which dissolves the oxygen from air and then absorbed by the body.

Answer 2

Answer:

INSECTS - TRACHEAL SYSTEM.

EARTH WORM - CUTANEOUS SYSTEM

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