Why is secondary immune response more intense than the primary immune response in humans?

The secondary immune response

Secondary immune response differs from primary immune response in that it

When the same antigen or pathogen enters for a second time in human body, the resultant secondary immune response is stronger than primary immune response due to

Humoral immune response is mediated by

Which Ig is produced in primary immune response?

Name and explain the two types of immune responses in humans.

The primary and secondary immune responses are carried out with the help of

Which of the following types of immunity results when a person receives a vaccine that triggers a primary immune response and leaves memory T and B lymphocytes to initiate an attack if the pathogen re-enters the body?

Read the following statements about acquired immunity. Which of the following statements are correct ? I. Acquired immunity is a non - specific type of immunity . II. The primary and secondary immune responses are carried out with the help of lymphocytes present in our blood. III. Each antibody molecules has two smll heavy chains and two longer light chains respectively. IV. Cell - mediated immunity is mediated by T - lymphocytes.

A molecule that elicits an immune response is called