Question

Define respiration through air tubes ?

Answer 1

Answer:

Explanation:

Define respiration through air tubes ?

• Respiration through air tubes or trachea is a characteristics feature of insects. This system of respiration is called tracheal system.
• Tracheal opening are called spiracles which are located on the sides of the body of insects.
• The oxygen-rich air enters through spiracles and reaches up to every cell of the body through the tracheal system.

Answer 2

Answer:

In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the transport of carbon dioxide in the opposite direction.