Answer:
Opioids are a class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription.
Explanation:
I believe teens definitely are most concerned about muscular strength. They are more worried about that because they want to protect themselves, impress others, sometimes kids just want to bulk up to not look so wimpy, etc.
I would have to say teens are less worried about flexibility because when you have mussels why worry about doing the splits or putting your leg up to your head. One thing will always distract you from the rest.
Skin immunity is a property of skin that allows it to resist infections from pathogens. In addition to providing a passive physical barrier against infection, the skin also contains elements of the innate and adaptive immune systems which allows it to actively fight infections. I hope that this helps.
Agora aqui também tem protestos?