introduction? organ donations should be compulsory- negative?

[blondey:]]

i'm writting a debate that organ donations should be compulsory. i'm second speaker the points i'm talking about are
People are not healthy
We must ask ourselves who and were are the organs going
Body rejects
Expenses
Family?? [questionable]
im having some trouble on the introduction, just the first couple of sentences. i have definition and everything. i was wondering if anyone had any ideas?? help is appreciated :]