Question

(b) Method of developing immunity of the body against
certain diseases​

Answer 1

Answer:

When the body is exposed to viruses, bacteria, fungi, or parasites through an infection or vaccination the immune system creates antibodies and immune cells that inactivate or destroy the specific infectious organism. ... Throughout life, we gain specific immunity as we are exposed to new organisms.

Explanation:

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Answer 2

Answer:

Explanation:

Naturally acquired active immunity occurs when a person is exposed to a live pathogen and develops a primary immune response, which leads to immunological memory. This type of immunity is "natural" because deliberate exposure does not induce it.