As a noun bloodstream
is the flow of blood through the circulatory system of an animal.
As an adjective bloodborne is
usually of a pathogen, carried in the bloodstream and other body fluids.
bloodstream
English
(Circulatory system)
Noun
(
en noun)
The flow of blood through the circulatory system of an animal
bloodborne
English
(Bloodborne pathogen)
Adjective
(-)
(medicine) Usually of a pathogen, carried in the bloodstream and other body fluids.