Which Organ Isn't Able to Be Transplanted from a Donor

Question

Which organ isn't able to be transplanted from a donor to a recipient?
A) a kidney
B) a heart
C) a liver
D) a brain

Accepted Answer

The brain cannot be transplanted from a donor to a recipient as it contains the entire central nervous system, which is essential for the functioning of the body. It is also not possible to transplant a whole head or brain due to the complex network of neural connections within the brain.