science






 

Question by  reba77 (1)

How often does the body renew its cells?

 
+7

Answer by  Drynose (66)

Different tissues renew itself at a different rate. For example, cells lining the small intestine renew every 4 to 6 days. Epithelium cell of the skin renew every 28 days. While in complex glands, he cells may be long lived and renew only when damaged.

 
+2

Answer by  fried121 (43)

All cells in the human body are replaced over a period of roughly seven years, but the body is constantly replacing cells.

 
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