how insects have holes on their body surface brainly
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Spiracles are present on the sides of insects' body while stomata are present on the lower surface of leaves. ... Spiracles lead to an extensive network of tracheal system which is absent in the leaves.
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Insect bodies have openings, called spiracles, along the thorax and abdomen. These openings connect to the tubular network, allowing oxygen to pass into the body, regulating the diffusion of CO2 and water vapor. Air enters and leaves the tracheal system through the spiracles.
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