Oxygen and carbon dioxide dissolve in water, and most fishes exchange dissolved oxygen and carbon dioxide in water by means of the gills.

How do the gills function in respiration?

But instead of lungs, they use gills. Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries. As the fish opens its mouth, water runs over the gills, and blood in the capillaries picks up oxygen that’s dissolved in the water.

What is gills and its function?

Gills are evaginated respiratory surfaces used for breathing in water. Gills are present in all amphibian larvae and in some aquatic salamanders. They are typically highly branched structures.

What is respiration through gills called?

d) Branchial respiration. Solution : Answer:(d)

Do gills help you breathe?

Quote from video: The oxygen because there's more oxygen in the water than there is in the gill in the blood vessels of the gills. So the oxygen diffuses through into the blood vessels of the girls.

How do gills work in gas exchange?

Fish exchange gases by pulling oxygen-rich water through their mouths and pumping it over their gills. In some fish, capillary blood flows in the opposite direction to the water, causing counter-current exchange. The gills push the oxygen-poor water out through openings in the sides of the pharynx.

How do fish use respiration?

Respiration in fish takes place with the help of gills. Most fish possess gills on either side of their head. Gills are tissues made up of feathery structures called gill filaments providing a large surface area for exchange of gases.

What is the function of gills Brainly?

Gills are responsible for respiration in aquatic animals like fishes, crabs etc. Gill helps the aquatic animals to extract oxygen from the water and excretes carbon dioxide.

What are gills for Class 7?

Answer: (a) Gills. Aquatic animals use gills as a respiratory organ that takes in oxygen dissolved in water.

Leave a Reply