<prompt> Most radiosensitive tissue of body among the following isBone marrowSpleenKidneyBrain  <response>: Ans. a Bone marrow. Ref. Harrison, Medicine, 15th ed., 2588The minimal tolerance dose Rads for TD 55:Bone marrow250 radiosensitiveSpleen1000Kidney1500Brain5000 radioresistantLiver2500Intestine4500Heart3000Lung3000Testis600-1000 radiosensitive 