Explain the process of exchange of gases in insects
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Insects do not have lungs, nor do they transport oxygen through their circulatory systems. Instead, the insectrespiratory system relies on a simple gas exchange system to bathe the insect's body in oxygen and to expel carbon dioxide waste.
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Heya !
=> Some species of insects breathe through the entire body surface by diffusion.
=> Air reaches the various parts and organs of an insect via an elaborate system of branching tubes called tracheae. The tracheae open up on the exterior body surface as spiracles.
=> Most adult insects have two pairs of spiracles on the thorax and eight pairs on the abdomen.
=> Large tracheal tubes run along and across the body. Smaller tracheae branch profusely from these larger ones finally forming tiny tubelets or tracheoles. Oxygen diffuses into the cells at the fine endings of the tracheal system. Carbon dioxide is carried out of the body by tracheoles.
=> Grasshoppers and many other insects also have air sacs in their tracheae system.
=> These air sacs function during vigorous body movements, spreading up the movement of gases to and from the tissues.
=> Some insects that live in water ( partially or completely ) have gill-like structures, found in fish, for breathing.
Hope it helps !!!
=> Some species of insects breathe through the entire body surface by diffusion.
=> Air reaches the various parts and organs of an insect via an elaborate system of branching tubes called tracheae. The tracheae open up on the exterior body surface as spiracles.
=> Most adult insects have two pairs of spiracles on the thorax and eight pairs on the abdomen.
=> Large tracheal tubes run along and across the body. Smaller tracheae branch profusely from these larger ones finally forming tiny tubelets or tracheoles. Oxygen diffuses into the cells at the fine endings of the tracheal system. Carbon dioxide is carried out of the body by tracheoles.
=> Grasshoppers and many other insects also have air sacs in their tracheae system.
=> These air sacs function during vigorous body movements, spreading up the movement of gases to and from the tissues.
=> Some insects that live in water ( partially or completely ) have gill-like structures, found in fish, for breathing.
Hope it helps !!!
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