Question

Complete the given passage with the words given in the bracket:

(lungs, trachea, oxygen, carbon dioxide, tracheal tubes, spiracles, cockroach, earthworm, gills, stomata, skin, leaves)

Humans have _________ as the main organ of respiration. Some insects breathe though small openings called ___________In cockroaches, ____________ from the cell goes into the __________________ An ________________breathes with the help of its skin. Fishes breathe with the help of __________which have many blood vessels for exchanges of gases. In plants _______________helps in respiration  ​

Answer 1

Explanation:

lungs,skin,tracheal,

Answer 2

Humans have __lungs__ as the main organ of respiration. Some insects breathe though small openings called __trachea__In cockroaches, _spiracles_ from the cell goes into the _tracheal tubes_ An __earthworm__breathes with the help of its skin. Fishes breathe with the help of __gills __which have many blood vessels for exchanges of gases. In plants _leaves_helps in respiration