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: Pathology
The least radio sensitive tissue is 
Select and explain. 
A. Nervous tissue, B. Bone, C. Kidney, D. Thyroid
B: Bone
Answer: B: Bone 
Explanation: Ans. is 'b' i.e., Bone