Question

What is the importance of alveoli in the respiratory system? ​

Answer 1

Answer:

Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. These tiny, balloon-shaped air sacs sit at the very end of the respiratory tree and are arranged in clusters throughout the lungs.

Answer 2

Answer:

Alveoli is a very important structure in a human being as it is the structure that helps in the exchange of gases.

• It is a balloon like structure found within the lungs.

• A large number of alveoli are present in lungs.

• They are made up of thin moist membranes was originally supplied with blood.

• They provide a very large surface area for the gaseous exchange.

• It contains a large network of blood capillaries through which the exchange of gases take place.

• The deoxygenated blood is converted to oxygenated in this process of gases exchange.

The respiratory system of human being contain:-

• Nostrils
• Nasal cavity
• Larynx
• Trachea
• Bronchi
• Bronchioles
• Bronchial Tubes
• Alveoli

The structures bronchi, bronchioles, bronchial tubes and alveoli are present inside lungs.