<prompt> The most radiosenstitive tissue is -BrainBone marrowThyroidLiver  <response>: Ans. is b i.e., Bone marrow Radiosensitivity of impoant organs in decreasing order. Bone marrow Testes Ovary Kidney Liver Lung Hea GIT Stomach Intestine Thyroid Brain spinal cord CNS Skin Cailage Adult bone Vagina Uterus. 