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We regenerate constantly in a way, in terms of cells. I'm going to give an answer that strays this topic a bit, but it should help you all understand . We don't regenerate in that sort of aspect. Our cells multiply (which is a form of regeneration because mostly when our cells multiply most of the old ones die after a while, and there are small string like things attached to each cell that over time (in terms of ageing and multiplying) get shorter and shorter untill it runs out and leaves the cell open causing them all to burst or defect) (death by old age) this can even kill you if your medically healthy and is just the way of life. Unless we can preserve these cells or live without them, living over 120-30 is pretty much impossible. Oh and may I add that the multiple rapid cell regen (some forms of cancer) is so hard to survive for a long time is because if its left for too long our cells will multiply so much either causing burst or defect, or overloads. I hope I explained this okay - basically we don't regenerate in the form you are talking about, but we are constantly regenerating/forming new cells which is somewhat a form of regeneration
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umm...our bodies are designed to fix a wound such as a cut or burn. so if you were to break a bone or something then i think that the body would naturally regenerate bon…e. but say if you were growing then your body needs to generate bone to compensate for your growth. and if you want to have strong bones, then of course drink alot of calcium rich drinks such as milk.
liver cell or bone cell or muscle cell or brain cell
Doctors have told me this for years, but the one who prescribed my barbiturate yesterday said it wasn't true. He's a great doctor and been around for years, so I'll take his w…ord over the others.
Chemical, cell,organ,tissue, system I don't know the other two name
It's because the repair process works from the bottom up A couple of sites agree as to why scars are permanent, but here's the clearest explanation I found: Unfortunately,… many times when our skin is wounded, the cut isn't clean, the healing conditions are not ideal and we end up with a scar. "Evolution has selected for scarring," says Dr. John Newman, a cosmetic surgeon and researcher at the Laser Center of Virginia in Virginia Beach. "Scarring is the result of a system that has learned to respond extremely quickly to a wound." When the skin is split open, the body immediately starts to pull the edges of the wound together. It does this by growing epithelial tissue over the open wound at the rate of approximately 1 millimeter every 24 hours. Fibroblasts (special collagen-producing cells found in the dermis, the second layer of skin) then rush into the wounded tissue and start laying down collagen to strengthen the skin. Normally, fibroblasts produce an organized lattice of collagen that is very strong, but when in emergency-response mode, they respond by laying down collagen in a very unorganized, haphazard way. "It is kind of like nailing down a crisscross of two-by-fours over a hole in a deck," says Newman. "It seals the hole, but it doesn't look very nice." He explains that "a scar is actually a bunch of unorganized collagen in the dermal layer of the skin." Over time, the tissue will try to reorganize, and the scar may appear to soften, but the skin may never completely return to its original state - particularly if the cut extends beyond the epidermis, the skin's outer layer. HOW REGENERATION WORKS Skin cells regenerate from the bottom up, with a turnover time of roughly one month. "You can think of the epidermis (the top layer of skin that you see) as a staircase," says Newman, "where the bottom stair is the base of the epidermis and the top stair is exposed to the air." New epidermal cells are formed by cell division at the bottom of the staircase. To make room for these new cells, the older epidermal cells are pushed upward toward the top of the staircase. The oldest cells die and fall off. The genetic material, or DNA, within any cell does not generally change, so the cells that are dividing on the bottom stairs are transmitting the same genetic characteristics from one generation of cells to the next. Unfortunately, if these characteristics are of scar tissue, that is what will be regenerated. And regardless of how much epithelial regeneration occurs above it, the scar can still show.
Your fingernails, toenails, hair and body cells, blood cells too.
The peripheral nervous system has an intrinsic ability for repair.But not the central nervous system which includes the spinal cordand brain.
Liver, skin, brain, kidneys, lungs and gallbladder
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