I mentioned in one of the talks that our physical bodies are replaced totally over a period of time. I got curious and went looking for a reference.
The physical body that each of us possess (or possesses us) is made up of roughly 50 trillion cells. About 30 billion of these are nerve cells. Every day millions of cells throughout our bodies are being replaced. This takes place through the normal process of attrition and
replacement. Indeed 98% of our body is replaced within one year. The remaining cells are replaced the following year. In fact, 10% of all cells in your body are replaced every 3 weeks, 25% of the cells are replaced every 5-6 weeks. The cells that make up our skin is totally new every thirty days. The cells that make up the soft muscle tissue of our internal organs is replaced in two to three months. The liver is replaced within six weeks, while the stomach lining takes as little as four days. Some cells, such as those closely involved in the process of digestion, are replaced as rapidly as every five minutes!
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