The drug is quickly absorbed into the bloodstream.
Traces of banned substances were detected in his bloodstream.
Bacteria was introduced into his bloodstream through an unsterile needle.
Red blood cells transport oxygen through the bloodstream.
to inject the drug into the bloodstream вводи́ть лека́рство в ве́ну
to deliver a drug into the bloodstream - вводить лекарство в вену
ток крови, кровоток
to deliver a drug into the ~ - вводить лекарство в вену
• Circulatory system flow
• Fantastic Voyage setting
• Where corpuscles flow
• The blood flowing through the circulatory system