Answer:
Transplantation is necessary because the recipient's organ has failed or has been damaged by disease or injury. Organ transplantation is one of the great advances in modern medicine. Unfortunately, the need for organ donors is much greater than the number of people who actually donate.
Explanation:
You can try starting with a question, fact, or sound affect to help grab a reader's attention, but it should fit well with your topic.
The recycling program is inconvenient