<prompt> Organs first to be injured in blast-Ear, lungKidney, spleenPancreas, duodenumLiver, muscle  <response>: Ans. is a i.e., Ear, lung Commonest organ injured in blasts:o Air blast f most commonTympanic membrane is most sensitive most commonly injuredLung is second most sensitive.lung is the most common cause of life threathening injury.Middle ear cochleaEyesBowels, mesentry omentumBrainHomogenous solid organs eg. Liver, kidney, muscle are usually not affectedo Under water blastGastrointestinal tract most commonLungs due to pressure transmitted from abdomen through diaphragmNo injury due to secondary impact so very little external but massive internal damage 