LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

SIGNALLING IMMUNOLOGY CANCER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are vaccines important?
A
They protect us from all pathogens
B
They increase the amount of red blood cells in our body
C
they decrease our immune responses when we get sick
D
they provide immunity to certain diseases
Explanation: 

Detailed explanation-1: -How vaccines help. Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself.

Detailed explanation-2: -Vaccines help your body create protective antibodies-proteins that help it fight off infections. By getting vaccinated, you can protect yourself and also avoid spreading preventable diseases to other people in your community.

Detailed explanation-3: -As a result, antibodies are produced to fight against the disease-causing antigens present in the vaccines. Later, when actual pathogens enter our body, the body recognizes them easily and antibodies are made spontaneously. Thus, vaccination provides immunity.

Detailed explanation-4: -Vaccines provide immunity from infectious diseases like tetanus, diphtheria, whooping cough, measles, polio etc. Our body has an immune system which fights microbial infection. When this system first sees an infectious microbe, it kills the microbe and remembers it.

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