asked 68.9k views
3 votes
Which part of the cardiovascular system does the term cardio refer to?

A- heart
B- blood cells
C- pumps
D- blood vessels

asked
User Ric Jafe
by
8.2k points

1 Answer

7 votes

Answer:

cardio = heart, so A

Step-by-step explanation:

answered
User LesterDove
by
7.6k points
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