A vaccine works by stimulating the immune system to produce antibodies without actually infecting someone with that disease. They trigger the immune system to produce its own antibodies as though the body has been infected with the disease. But a vaccine will not make someone immune to a disease, it will simply help the body be able fight the infection better.
Answer: I’m sorry but can you help me as well. I’ll answer your question too
Explanation:
<span>Flexor and extensor muscles work antagonistically to operate the joint.
Flexor and extensor muscle work in the different direction. This will be called antagonist muscle because their force will cancel each other. It is important to have antagonist muscle because muscle could only shorten, thus could only move the body in one direction. Having two antagonist muscle will allow 2 moving direction</span>
