This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
The most sensitive tissue to radiation - 
Select and explain. 
A. Skin, B. Liver, C. Gonads, D. Spleen
C: Gonads
Answer: C: Gonads 
Explanation: Ans. is 'c' i.e. Gonads Organs which have a high dividing rate are more sensitive to radiation.Bone marrow > Gonads > mucosal lining of GIT are most sensitive.Organs in which cells are stable (not multiplying e.g. heart, skeletal muscle, nerves, cartilage*) are radioresistant.