Scientists can treat the patient’s tumour by replacing the trachea with a plastic trachea. The plastic trachea has a layer of the patient’s own stem cells covering it. Figure 2 shows the procedure. Stem cells can also be obtained from human embryos. Evaluate the use of stem cells from a patient’s own bone marrow instead of stem cells from an embryo Give a conclusion to your answer. – 7003

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1. Embryonic stem cells have several advantages. One of the main benefits is that many embryos can be created in a lab, which means a large number of stem cells can be collected. The procedure is painless, unlike bone marrow donation which can be painful.

   Also, embryonic stem cells are pluripotent, meaning they can turn into any type of cell in the body. This makes them very useful in medicine because they can be used to treat a wide range of diseases, such as Parkinson’s or spinal injuries. In contrast, adult stem cells from bone marrow can only become a limited number of cell types, so they are not as versatile.

   Overall, even though there are ethical concerns, embryonic stem cells have the potential to treat more diseases and help more people, which is why many scientists support their use.

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