A word that describes medication, vitamins pesticides and household cleaners is obviously CHEMICALS. Chemicals are developed to bring utility and somehow comfort to what we do and what we need to do. Drugs and fresheners are chemicals. This is the best answer i could give you hope this helps.
Huh can you be more specific
I would think C...stand tall, hold your ground by not letting the person drive.
One thing you could do in order to measure your cardiovascular strength, you can do a full sprint. In order to improve this you can swim, jog, run, body weight exercised, and a balance diet.