Question

Name the basic structural units of the gills.

Answer 1

Gills:

• Gills are evaginated respiratory surfaces that are used for water breathing. All amphibian larvae, as well as some aquatic salamanders, have gills.
• They are usually complex, branched formations.

Structural units of the gills:

• The structural units of gills are gill arches that provide support to the gills.
• They are present in the form of curved bars on either side of the pharynx.