Answer :

Because of strong immune system our body is normally fighting off microbes. We have cells which are specialised to kill the pathogenic microbes. These cells are active when infecting microbes enter the body and if they are successful in removing the pathogen, we remain disease free. So even if we are exposed to infectious microbes, it is not necessary that we suffer from diseases.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

Why we should notDr. P.S. Verma & Dr. V.K. Agarwal - Biology

What are signs ofDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Name such a vacciDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Define immunity, Dr. P.S. Verma & Dr. V.K. Agarwal - Biology

Name the enzyme pDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Differentiate betDr. P.S. Verma & Dr. V.K. Agarwal - Biology

What is full formDr. P.S. Verma & Dr. V.K. Agarwal - Biology

What is human immDr. P.S. Verma & Dr. V.K. Agarwal - Biology

Why a person suffDr. P.S. Verma & Dr. V.K. Agarwal - Biology

When was the PulsDr. P.S. Verma & Dr. V.K. Agarwal - Biology