All of them could be intentional/unpreventable, we are only talking about an injury so I would say the plane crash.
Answer 1: The skin and the Liver are easy to repair using stem cells.
Explanation:
Method of stem cells to heal liver disorders has been demonstrated useful in most of the situations. Scientific research shows the use of stem cells in the therapy and remedy of several disorders like Liver Cirrhosis, End Stage Liver Failure, hereditary liver disorder and including the Liver tumor. The stem cells hold the capacity to regenerate and reproduce by them or stem cells hold particular properties of renewing themselves. Because of their expertise stem cells can modify into any tissue sort, they have enormous potential in several infection treatments and traumatic damages.
Answer 2: Apical meristem and the lateral.The heart, brain, bone marrow and the Lungs in adults are difficult to repair using stem cells.
Explanation:
There are two kinds of stem cells: embryonic stem cells and adult stem cells. Adults also have stem cells in the heart, brain, bone marrow, lungs, and other organs. They are our built-in replacement tools, restoring cells infected by infection, trauma and everyday erosion, and cut. Adult stem cells are extremely difficult for specialists to operate because they are extra challenging to derive and culture than their immature complements.
Answer:
because you are using them and it because it your bones get tired
