I think it is the bone marrow.
Answer:
If it occurs in the coronary arteries, the end result could be a myocardial infarction (MI) or heart attack. The third way that periodontal disease can affect systemic health is that inflammation associated with periodontal disease may stimulate a systemic inflammatory response within the body.
Explanation: https://periolinks.com/2015/09/30/how-does-periodontal-disease-affect-systemic-health-a-simple-answer-to-a-complex-question/
(This link is where I got my answer)
The item from this list which isn't considered a stimulant would be alcohol - a. It is considered to be a depressant. All the other items - nicotine, caffeine, and cocaine have stimulating effects which are known to their useres, while alcohol doesn't have an stimulating effect generally.
Answer:
False: it wont help.
Explanation:
learning new info isnt necessary to be healthy.