NEET PG DENTAL EXAM

Detailed explanation-1: -Tracheae connect with the atmosphere through openings called spiracles, which usually have closable valves. Some insects, including grasshoppers, have air sacs that are enlarged tracheae lacking the normal exocuticle and taenidia and are hypothesized to act as bellows to aid convective airflow (for review see Refs.

Detailed explanation-2: -Spiracles are the openings to the tracheal system on the surface of an insect’s body. The spiracles can open and close, allowing the insect to regulate the flow of air into the tracheal system. This enables the insect to control the rate of gas exchange and maintain the balance of oxygen and carbon dioxide in its body.

Detailed explanation-3: -In the tracheal system, the respiration process in an organism is carried by air tubes or trachea. The tracheal openings spiracles are present on the side of the body of the organism. It is through the spiracles that the oxygen and carbon dioxide gas is circulated throughout the body.