Every 7 years your body completely replaces itself. 25,000,000 of your cells died while you read this sentence. It's okay though, your body made more than 300 billion new ones today. The cells that make up your body are dying and being replaced all the time. This happens so often that about every 7 years you have a completely new body of cells.
Every 7 years your body completely replaces itself. 25,000,000 of your cells died while you read this sentence. It's okay though, your body made more than 300 billion new ones today. The cells that make up your body are dying and being replaced all the time. This happens so often that about every 7 years you have a completely new body of cells.