vital organs
nounUK /ˈvaɪ.təl ˈɔː.ɡənz/
US /ˈvaɪ.t̬əl ˈɔːr.ɡənz/
The important parts inside your body that you need to stay alive.
The heart and lungs are vital organs that keep your body working.
OTHER MEANINGS
2. The most important parts of a system or organization.
Good teachers are the vital organs of a strong school.
3. Things that are absolutely necessary for something to succeed.
Trust and honesty are the vital organs of a friendship.
4. In biology, organs whose failure would quickly cause death.
Doctors checked his vital organs after the accident.