Bloodstream (noun)

1. The blood flowing through the circulatory system of an organism.
2. The flow of something through a particular area or group.

Origin:

The bloodstream is the blood that circulates through the body. the word "bloodstream" is a combination of the words "blood" and "stream".

Examples:

1. The medicine needs to be injected directly into the bloodstream.
2. The new policy has yet to be implemented, but the idea is already causing a heated debate in the company's bloodstream.
3. The virus has entered the bloodstream and is spreading rapidly.
4. The new product was quickly absorbed into the market bloodstream.
5. The artist's work is now part of the cultural bloodstream.