If most organ cells, like in the liver, are replaced every three years or so, why isn’t a transplant eventually accepted by the new body?
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DNA are the “building blocks of life.” DNA lay out a series of instructions or “blueprints” to how we are made. No two human beings alive, even identical twins, have the same DNA. “Cells” are the smallest piece of life, making up living beings. That liver transplant makes up cells from another person whose DNA was not the recipient. Our bodies are smart enough to realize this. Our body attacks any new liver as a foreign element. To avoid this, you are put on medicine for the remainder of your life to suppress your body’s ability to do this. This also weakens you against sickness and disease.
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