Meaning of the word cardio in English

What does cardio mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cardio

US /ˈkɑːr.di.oʊ/
UK /ˈkɑː.di.əʊ/
"cardio" picture

Noun

physical exercise that increases the rate at which your heart works

Example:
I do 30 minutes of cardio every morning.
Running is a great form of cardio.