More than 4 million Americans take opioid prescription pain relievers for nonmedical uses. More than 400,000 Americans use heroin, a powerful opiate drug. Many people report misusing prescription opioids before starting to use heroin. Each year, more than 28,000 Americans die from opioid overdoses.
A person might be able to recognize if something is wrong with their body that they can prevent by seeing the correct personell, or more actively, for example, if one knows CPR and is able to save a choking person.
in life, there simply isn't one.
Weight training is one of them
Patella is your kneecaps. Maybe try to search up "Scientific names for ___" for the others