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It all depends on which cells. Some are not replaced. These are mostly nerve cells such as found in the brain. Other cells constantly die and are shed and replaced from tissues below them. An example of this are your skin cells.

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Q: How are dead and worn cells in the body replaced?
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Related questions

Why does cell division need to take place?

Worn out cells need to be replaced to keep your body functioning.


What function rids the body of worn out cells?

Lysosomes becuase they have hyrdolytic enzymes that kill worn out cells using water


What happens to worn out cells?

When they die, your body absorbs it.


What does the cells in a body do?

Macrophages are cells produced by the differentiation of monocytes in tissues. Moreover, as scavengers, they rid the body of worn-out cells and other debris.


What happens to worn out red blood cells?

They get out of your body by your feces


In unicellular organisms cell divison results in?

not the replace and growth of worn and or dead cells


What dissolves worn out cells and cleans up the cell?

Immune cells called macrophages will eat dead cells and cell debris.


Why does cytokinesis occur in most animal cells?

Cytokinesis is nothing but cell division. Cell division is an inevitable part of growth. It is also necessary to replace old and worn out cells, for healing wounds etc. Many of the processes of animal life and growth depends on cell multiplication. Most of the cells in the body get worn out after a time of operation. It is similar to the wear and tear that occurs in machines. Hence as these old cells have to be replaced by new new cells and growth has to continue, cytokinesis occurs in most animal cells.


What nutrients replace worn-out cells and makes body tissues for new growth?

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What nutrient replaces worn-out cells and make new body tissues for growth?

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What nutrient replaces worn out cells and make new body tissues for growth?

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Why do some cells die faster than others?

because some part of your body will damaged more quickly than other places, so it will be replaced more quickly.