Stuart runs with his brother each morning, and they are able to talk about their plans for the day in short bursts of conversation. which best describes their heart rates during this activity? low moderate vigorous dangerous

Is it ok to have a tooth growing on my crotch and this is school related

American college students invented football by combining what two sports?

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?