Answer:
(i)
The main source of stem cell is the umbilical cord. It is also available in
bone marrow.
(ii) Stem cell has the capacity to rapidly grow cardiac muscles, nervous
tissue and pancreatic cells. It can therefore be used to treat cardiac disorders
neurological disorders and pancreatic diseases. Diseases like thalassemia,
leukemia etc can also be treated by stem cell.
(iii) The scientists have shown the value of love for mankind.
(5)
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