Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it
is very specific and uses different macrophages.
produces memory cells for mounting fast secondary response.
has natural killer cells which can phagocytose and destroy microbes
provides passive immunity
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:
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