I would say negotiation.
Engaging and accepting just makes it seem like you're willing to do it just for your friends.
Avoiding (could be a choice but it) makes it seem like you don't want to hang out with them.
It depends if you are running or jumping ?
Explanation:
The cardiovascular system pumps blood throughout the body. As the blood is circulating out of the heart it is filled with oxygen and nutrients. These nutrients get divided to the rest of the cells in the body. As the blood is coming back into the heart the urinary system takes the waste out of it.
So basically, it basically acts as a delivery system delivering O2 and nutrients and takes waste out of the cell.
Answer:
<em><u>The answer is</u></em>: <u>Stimulating.</u>
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Explanation:
<u>Classification of drugs according to their effects on the nervous system</u>:
DEPRESSORS. Alcohol. Opioids: heroin, morphine, methadone. ...
STIMULANTS. Major stimulants: amphetamines and <u>cocaine</u>. Minor stimulants: nicotine, caffeine.
DISTURBING. Hallucinogens: LSD, mescalina, peyote. Cannabis derivatives: hashish, marijuana.
<em><u>The answer is</u></em>: <u>Stimulating.</u>