Question : Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections ?

Question : Transplantation of tissues/organs to save certain patients

1.	Question : Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections ?
Answer» auto-immune response humoral immune response PHYSIOLOGICAL immune response cell-mediated immune response Solution :TRANSPLANTATION of tissues/organs to-save certain patients OFTEN FAILS due to rejection of such tissues/organs by the patient. Cell-mediated immune response is responsible for such rejections. Auto immune response is due to failure of immune system to distinguish from self to non sell. Humoral immune response is due to antibodies in blood. Physiological immune response includes secretion of acid in stomach, saliva in mouth, tears in eyes.