<prompt> Organ most vulnerable to ischaemic due to shock?LungsAdrenalsKidneyHea  <response>: Ans. is d i.e., Hea o The susceptibility of a tissue to hypoxia influences the likelihood of infarction. o Neurons are most sensitive to hypoxia irreversible changes develop in 3-4 minutes followed by myocardial cells irrversible changes develop in 20-40 minutes. o Fibroblasts are amongst the most resistent cells to hypoxia. 