Q. Main barrier which prevents the entry of disease’s causing organism in our body is
A) Skin
B) Saliva
C) Lymphocytes
D) Interferons
Explanation
Skin on our body is the main barrier, which prevents entry of the microorganisms. Mucous coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering our body
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.