Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it

  • [NEET 2019]
  • A

    is very specific and uses different macrophages.

  • B

    produces memory cells for mounting fast secondary response.

  • C

    has natural killer cells which can phagocytose and destroy microbes

  • D

    provides passive immunity

Similar Questions

Given below are two statements :

Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.

Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.

In the light of the above statements, choose the most appropriate answer from the options given below:

  • [NEET 2022]

The toxic substances produced by the foreign bodies are known as

Draw a well-labelled diagram of an antibody molecule.

The principle of Vaccination and Immunization is based on which property?

Definitions / Explanation : Active immunity & Passive immunity