194k views
4 votes
The word "cardio" refers to?

User Ivanreese
by
8.2k points

2 Answers

1 vote
its refers to anything related to the heart and circulatory system.
User Androphone
by
7.9k points
3 votes
the word "cardio" refers to "the heart"
User SergioLeone
by
8.2k points