bloodstream
bloodstream — noun
1. the system of blood as it moves through the body, carrying oxygen and nutrients
the system of blood as it moves through the body, carrying oxygen and nutrients to all parts and removing waste products
The medicine enters the bloodstream within minutes after you swallow the tablet.
enters the bloodstream (of a substance entering the blood)
Doctors found high levels of sugar in Trang's bloodstream during the routine check-up.
found [substance] in [possessive] bloodstream
Regular exercise helps keep the bloodstream healthy and the heart strong.
Gabriel's bloodstream showed signs of infection after the snake bite.
Nutrients from the food you eat pass into the bloodstream through the intestine walls.
- circulation
emphasises the circular movement driven by the heart; broader term that includes the heart and blood vessels
- blood flow
focuses on the rate or direction of movement rather than the system as a whole; often used in medical measurements
- vascular system
more technical term referring to the network of blood vessels throughout the body