bloodstream
nounUK /ˈblʌd.striːm/
US /ˈblʌd.striːm/
The blood that flows around inside your body.
The medicine travels through your bloodstream to reach every part of your body.
OTHER MEANINGS
2. The flowing blood in a living organism considered as a transport system for nutrients and waste.
Nutrients from food enter the bloodstream and are carried to the cells.
3. The main current or channel of something, especially in a figurative sense.
Fresh ideas flowed into the bloodstream of the company.
4. The circulatory path of blood through the heart, lungs, and body.
The drug was detected in his bloodstream within minutes.