/are an essential part of our nerves, spinal cord, brain, and cell membranes.
a. cellulite
b. adipose tissue
c. enzymes
d. skin

Outdoor and indoor equipment must include a. only toys that are soft. b. equipment that is age-appropriate and developmentally appropriate. c. areas that allow children to play together. d. high toys that allow children to practice gross motor skills.

What is a common risk associated with illegal drugs?

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?