This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
For transplantation, cornea can be removed from dead body upto 
Select and explain. 
A. 6 hours, B. 12 hours, C. 18 hours, D. 24 hours
A: 6 hours
Answer: A: 6 hours 
Explanation: Time of molecular death in different tissues varies with each tissue.
Maximum time of removal of organs for transplantation -

Brain 5-7 minutes
Liver 15 minutes
Kidney 45 minutes
Heart 60 minutes
Cornea 6 hours
Bone 48 hours
Vessels 72 hours