Answer is through a blood transfusion supervised by a doctor d)
1. A - the other two options describe muscular endurance, not muscular strength.
2. B - you are correct.
3. B: False - you are correct again.
4. B: False - correct again.
5. B: False - correct yet again.
6. B (A and C mean the same thing) correct.
Looks like you got this. (:
"Vaccination works to stimulate a specific immune response that will create memory B and T cells specific to a certain pathogen. These memory cells persist in the body and can lead to a quick and effective response should the body encounter the pathogen again."
its the same idea...