Article: Replacement Parts



Article: Replacement Parts

To cope with a growing shortage of hearts, livers, and lungs suitable for transplant, some scientists are genetically engineering pigs, while others are growing organs in the lab.

Source: TheScientist; 

1. What is the theme or thesis of this article? (choose from list)

A. To convince readers to donate to scientific research

B. To convince readers to donate their organs

C. To compare types of organ transplants and advances in biotechnology

D. To explain how genetics play a role in organ transplants

2. Why are pigs considered a good source of organs for xenotransplantation?

3. Why are pig organs rejected in human bodies?

 4. What is a PERV and why would this be a concern for xenotransplants?

 5. Summarize the problems associated with using pig organs.

 6. Describe the process of scaffolding that is used to engineer a heart or other organ.

 7. Why would Vacanti think that artificial scaffolds are the future of organ engineering?

 8. How can scientists solve the problem of cells that do not naturally divide when building organs?

 9. Considering all of the evidence in the text, which technology do you think is the most promising for the future of organ transplants? Use at lease 3 sentences in your answer and support your opinion with specific information from the reading.

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