inject
Definitions
To force or drive a liquid, gas, or other substance into a body part, vessel, or passage, typically by means of a syringe.
To introduce a new or different element into a situation, process, or system.
To insert or interject a remark or comment into a conversation.
Examples
The doctor had to inject the medication directly into the patient's bloodstream.
The new manager hopes to inject some fresh energy and creativity into the team.