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Cornea transplant in humans is almost never rejected. This is because
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- its cells are least penetrable by bacteria
- it has no blood supply
- it is composed of enucleated cells
- it is a non-living layer
Correct Option: B
Cornea transplant in humans is almost never rejected. This is because it has no blood supply. Cornea is a transparent layer of tissue, continuous with the sclerotic, that forms the front part of the vertebrate eye, over the iris and lens.