blood stream
Body's vital flow
The bloodstream is the flow of blood circulating through the body's vessels—arteries, veins, and capillaries.
Substances enter the bloodstream through injection, absorption, or digestion: The medication enters the bloodstream within minutes.
Also spelled as two words: blood stream.
- plasmaElectrified matter state
- arteryOxygen-rich blood conduit
- heartCirculatory system's pump
- circulationMovement through a system
- hormonesBloodstream signaling molecules
life force · vein · oxygenation · transfusion · IV drip · hemoglobin · bloodstream · glucose · sepsis · endothelium · circulatory system · platelets · capillary · anemia · aorta · hypertension · clot · leukemia