Answer: bloodstream

AnswerCrossword Clue
BLOODSTREAM"Fantastic Voyage" setting
BLOODSTREAMCirculatory system component
BLOODSTREAMWhere corpuscles flow
BLOODSTREAMCirculatory system flow
bloodstreamThe blood circulating through the body of a person or animal
bloodstreamthe flowing blood in a circulatory system