How does an insect takes in air and how does the air reach the different part of its body
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Insects do not have lungs, nor do they transport oxygen through their circulatory systems. Instead, the insect respiratory system relies on a simple gas exchange system to bathe the insect's body in oxygen and to expel carbon dioxide waste.
Oxygen travels to insect tissues through tiny openings in the body walls called spiracles, and then through tiny blind-ended, air-filled tubes called tracheae. ... In other words, air that contains more oxygen allows the minimum amount needed for metabolism to reach farther into the insect's tracheae.
Oxygen travels to insect tissues through tiny openings in the body walls called spiracles, and then through tiny blind-ended, air-filled tubes called tracheae. ... In other words, air that contains more oxygen allows the minimum amount needed for metabolism to reach farther into the insect's tracheae.
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They take air through spiracles . The air enters the body through these holes(spiracles), reaches the cells through a fine network of thin tubes known as trachea
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