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Because it is constantly producing more skin cells
Skin cells are constantly replacing themselves. The ones that are dead fall off or are washed off the body.
Bacteria is constantly forming on the outer layer of your skin. It is looking for a way to invade your body. Your body reacts by simply throwing away the outer layer of your skin. It does that a cell at a time, but it does it constantly. Those cells must be replaced. To do that, the cells underneath must constantly reproduce and create new skin cells.
The skin inside your mouth is composed of many cell layers that serve to protect your body by forming a barrier between the space within your mouth and the rest of the body. Because protection is a tough job, the skin is constantly making new cheek cells to replace those that fall of from the surface.
to strengthen and reproduce in a process called keratinzation
The skin is constantly shedding cells. Almost all of the dust in your house are human skin cells.
White blood cells in the human body are constantly dividing. White blood cells, also called leukocytes, are the cells of the immune system that are involved in defending the body against both infectious disease and foreign invaders.
when you get older, like, really old, your body stops producing skin cells. your hair is actually dead skin cells. pretty gross, I know. but because your body is no longer producing skin cells, new skin cells cannot die, therefore, the dead skin cells, (your hair) will fall out because nothing new and strong is holding onto it.
because the skin is constantly needing repair
On average, a person sheds about 30,000 to 40,000 skin cells every minute. These skin cells are replaced by new ones constantly as part of the body's natural skin renewal processes.
Because we are constantly shedding dead skin cells so they need to be replaced.
in your skin