What are vaccines and how do they act on humans?
AS FAST AS POSSIBLE
Answers
Answered by
4
Answer:
Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms. When foreign invaders such as bacteria or viruses enter the body, immune cells called lymphocytes respond by producing antibodies, which are protein molecules.
Answered by
0
Answer:
vaccines are type of antibiotics they are given to a person before the diseases causes so that the diseases not happen to the person
Explanation:
Similar questions