Question

describe the tracheal Respiration giving example

Answer 1

Tracheal Breathing
Insects, and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air by a system of air-filled tubes called tracheae.


Tracheae open to the outside through small holes called spiracles. In the grasshopper, the first and third segments of the thorax have a spiracle on each side. Another 8 pairs of spiracles are arranged in a line on either side of the abdomen.

The spiracles are guarded by
valves controlled by muscles that enables the grasshopper to open and close them;
hairs that filter out dust as the air enters the spiracles.

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