One imperative part of living is exchanging gases, like oxygen, because life could not exist without it. Elephants, along with many mammals, have openings that air can enter through and reach organs called lungs. Lungs are covered in specialized tissues that absorb the oxygen from the air and allow it to enter into the bloodstream to be carried to all parts of their bodies, and the other gases they do not use from the air can be released when they exhale. Unlike elephants, wasps have found a different way to exchange gas, and they do this by taking in air through small holes called spiracles. Spiracles connect to trachea tubes and the tracheole, which is a cell specialized to exchange gases with other cells. Once the oxygen reaches this part of the insect, it can dissolve and diffuse into the tracheole liquid to be moved through the body. Although both of these methods work well for the organisms, plants like the sundew have yet another different way to exchange gases. Sundews have small openings tha...
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