Insects do not have lungs as we do, nor do they breathe through their mouths.

I need help with this physics question:

Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect’s body and penetrate into the interior. Suppose that a tracheae is 1.45 mm long with a cross-sectional area of 1.94 x 10

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