Many teens are advocates for healthful activities. Which of these is the best
description of a teen who is an advocate?

Stasis of blood flow from immobility injury to a vessel or predisposition to clot formation increase the risk of

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?

Complete as many questions as you can.