Insects don't need lungs, they breath through their skins. In this way they can get enough oxygen to fuel their metabolism. Approximate an insect by a cylinder of diameter 5.50mm and length 6.50mm. Assuming that the density of the insect is approximately that of water (i.e.1.00gram per cubic centimeter), how much oxygen-absorbing area, in square meters, does the insect have for each kilogram of body mass?

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First we need to calculate the surface area ... View the full answer