Stem cells are found in all parts of the body. They can develop into different cells for the heart, liver, kidneys, nerves, fat and other tissues. Their functions include:
1. Forming cells at birth
2. Forming into specialized cells and tissues as we develop
3. Repairing damaged cell
4. Replacing damaged cells when necessary
5. Slowing down the process of apoptosis (programmed cell death)
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