Stuck on a problem? Get great tutoring at an affordable price with Chegg. Click here to join and get your 1st 30 minutes Free!

Gill - Respiration

From Biology-Online Dictionary
Jump to: navigation, search

An organ found in aquatic animals that helps them to filter oxygen from the water to be used for respiration. They can be found internally or externally depending on the species, and exchange oxygen and co2 between the internal and external environment.