209k views
3 votes
Which part of the cardiovascular system does the term cardio refer to?

blood vessels

pumps

heart

blood cells

User Tim Riffe
by
8.3k points

1 Answer

3 votes
Cardio is heart, because you heart pumps blood to the organs, tissue, and cells of your body.
User Hodaya Shalom
by
8.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.