Question

Q1) define the terms:-
i>infection
ii>pathogens
iii>incubation period
iv>allergen ​

Answer 1

Explanation:

1) Infection :- An infection is the invasion of an organism's body tissues by disease causing agents.

2) Pathogens :- Pathogen is an organism that causes disease.

3) Incubation Period :- The period between infection of an individual by a Pathogen and the manifestation of illness or disease it causes.

4)Allergen :- Allergen is usually harmless substance capable of triggering a response that starts in the immune system and results in an allergic reaction.

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Answer 2

Answer:

infection- infection is the invasion of the organism body tissue by diseases causing agent, their multiplication, and the reaction, of the host tissue to the infectious agent and the toxin they produce