Question

what are gills?explain me. ​

Answer 1

Explanation:

A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist.

Hope it helps uhh ♡

#Atharva!

Answer 2

Gills --  the paired respiratory organ of fish and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.

HOPE THIS ANSWER HELP YOU . PLEASE MARK ME AS BRAINLIEST