The answer is D. all of the above because all of the answers are aspects of wellness
"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...
Because some of the weight is in your muscles.
Answer:
lumbago
Explanation:
it causes discomfort in your lumbar region or lower back