Why is immune system essential for our health?

'Health' is a state of being well enough to function well physically, mentally and socially. Therefore, for good health.  (i) One should be disease free.  (ii) There should be social equality and...

Yes, the reproductive health has tremendously improved in India in the last 50 years. The areas of improvement are as follows. Massive child immunization programme, which has lead to a decrease...

a. Acquired Immuno Deficiency Syndrome (AIDS) b. Human Immuno deficiency virus (HIV) c. Helper T-lymphocytes (TH)

The methods of contraception are: (i) Barrier method or mechanical method (Condom/Diaphragm): Prevents the meeting of sperms and ova. (ii) Chemical method (Oral pills): Changes the hormonal balance of the female partner so...

We acquire knowledge and skills in our lifetime such as learning dance, music, physical fitness, etc. But these skills cannot he passed to our progenies because: (i) Such characters or experiences acquired...

(i) Five things that I have done over the last one week to conserve our natural resources are: (a) Saved electricity by switching off unnecessary lights. (b) Repaired leaky taps for saving...

Memory cells produced from the first encounter , ( produce intensified, response with subsequent encounter with same pathogen) produce protein / antibodies.

The correct answer is (1) Cell mediated immune response causes nonacceptance or rejection of graft or transplanted tissues/organs.

Essential amino acids: Amino acids which cannot be synthesized in the body but must be obtained through diet, are called essential amino acids. For example: valine, leucine. Non-essential amino acids: The...

c. health is a state of complete physical, mental and social well-being