Question

1. Why does the human body reject transplanted organs from pigs?

A. They are too dirty.
B. Pigs have different blood types
C. A sugar on the surface of the pig's cells is unique to pigs.
D. They are the wrong size.

Answer 1

C. A sugar on the surface of the pigs cells is unique to pigs

Answer 2

C. A sugar on the surface of the pig's cells is unique to pigs.

Step-by-step explanation:

This rapid rejection occurs when human antibodies attach to sugar molecules on the surface of the transplanted pig organ's cells.