Question

What is the principal function of blood against infection ?

Answer 1

Blood Infection :

1. An infection is an attack on the body cells of an organism by pathogens and the effect of the toxin produced by the pathogen.
2. Whenever a pathogen attacks some cells of the body, white blood cells present in the blood rush and attack the pathogens like bacteria and viruses.
3. Hence, the main function of blood against infection is protection.