Not All Cells are Replaced in a Human Body
Subject
You Are Not the Same Person You Were as a Child
Think of an experience from your childhood. Something you remember clearly, something you can see, feel, maybe even smell, as if you were really there. After all, you really were there at the time, weren’t you? How else would you remember it? But here is the bombshell: you weren’t there. Not a single atom that is in your body today was there when that event took place … Matter flows from place to place and…
Contrast
Object
Different Cells are Replaced at Different Rates
Different types of cells have different lifespans, e.g.: we shed our skin cells about every 35 days red blood cells live about 120 days, platelets 6 days and white cells less than a day most of the adult skeleton is replaced about every 10 years the average age of a fat cell seems to be about 10 years a 25-year-old heart replaces about 1% of all its cardiomyocytes (heart muscle cells ) over the course of a year…
Why they relate
Our brain cells are with us for life, contradicting the claim that we are completely replaced every so many years.