what does trachea do ?

A trachea is a large membranous tube reinforced by rings of cartilage and conveying air to and from the lungs. The trachea extends from the larynx to the bronchial tubes and it is a vital organ in the respiratory system.

insects have a network of air tubes called trachea for gas exchange.oxygen rich air rushes through spiracles into the tracheal tubes,diffuses into the body tissue,and reaches every cell of the body.similarly,carbon dioxide from the cells goes into the tracheal tubes and moves out through spiracles.these air tubes or tracheae are found only in insects and not in any other group of animals

atrachea is a large membranous tube reinforced by rings of cartilage and conveying air to and from the lungs. The trachea extends from the larynx to the bronchial tubes and it is a vital organ in the respiratory system.