What are stem cells and how are they used in the fields of medicine and scientific research? Paragraph #1-- Define stem cells and cell differentiation. Explain the differences between adult and embryonic stem cells. Paragraph #2-- Define adult stem cells. Explain the pros and cons of Adult Stem Cells Paragraph #3-- Define embryonic stem cells. Explain the pros and cons of Embryonic Stem Cells Paragraph #4-- Explain the use of stem cells in the field of medicine. Give three specific examples and explain how stem cells are specifically used to treat the disease/injury. Paragraph #5-- Explain your personal view on using stem cells in medicine.