A condition that occurs when the immune system mistakenly attacks and destroys healthy body tissue is called
Auto-immune Disorder
Cancer
Allergy
Immunodeficiency
The immune system which works against self is
Give scientific reasons : Autoimmune diseases are different from immune deficiency diseases.
"Graveyard of $RBCs$''
Select the correct pair
Column $- I$ | Column $- II$ |
$(A)$ Physiological barrier | $(1)$ Skin |
$(B)$ Cellular barrier | $(2)$ Macrophages |
$(C)$ Physical barriers | $(3)$ interferons |
$(D)$ Cytokine barriers | $(4)$ Tears |
$(5)$ Mucus |
Spleen is