average Canadian female, non smoker, 86 years
Red blood cells = 90 days
your blood cells, skin cells must regenerate to replace the dead cells
must have the same genetic characteristics as the parent cells
therefore, we need cell duplication to clone the same cells with the same characteristics
this process is called mitosis (sex cells = meiosis)
- fastest cell growth in root tips (plants) and embryos (animals) - double in size in 24hours
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