Because they are made to perform two different functions. Cells are part of tissues that are part of organs that perform a certain function. For example, your bone cells are made to make blood cells, so they wouldn’t be in your lungs as well.
If this oil<span> mixes with dead </span>skin<span> cells and blocks a pore, it </span>can<span> produce a pimple.</span>Sebaceous glands<span> produce </span>oil<span> called sebum that moves up hair follicles to the surface of the </span>skin<span>, where the </span>oil<span> lubricates </span>skin<span> and hair. The </span>gland<span> may keep producing </span>oil<span> when the opening is blocked, leading to a pimple.</span>
the correct answer is missense mutation
