Question

In higher animals, respiration occurs through ……………….

​

Answer 1

Answer:

In simple unicellular animals like Amoeba, respiration takes place by the simple diffusion of gases through the cell membrane. ... The aquatic animals like fish, prawns and mussels have gills as the respiratory organs which extract oxygen dissolved in water and take away carbon dioxide from the body.

Explanation:

I hope this helping for you.

Answer 2

Answer:

Simple unicellular animals like Amoeba, respiration takes place by the simple diffusion of gases through the cell membrane.The aquatic animals like fish, prawns and mussels have gills as the respiratory organs which extract oxygen dissolved in water and take away carbon dioxide from the body.