Answer:
Human skin cells
Explanation:
Human skin is the largest organ of human beings. It protects us from outside world germs. Ours protects us. It is the major function of our skin. Human being skin have some nerve ending. If we see our skin from outside, it looks beautiful and a single layer.
But we see our skin from inside it seems many layers inside it. When we see our skin get dry, it starts some flaky and some type of piece of layers get to tear off. Our old skin gets replaced by new skin. Old skin cell gets to die and this process faster when we young but get slowed down in older age.