Cardio is heart, because you heart pumps blood to the organs, tissue, and cells of your body.
I'd say the most questionable source of health information is D. A health care professional because people are more of a reliable source than websites. A health care professional is also trained to do these certain things.
-rhear
Answer:
If a friend, loved one or colleague became ill, you wouldn't hesitate to offer your help and support.
Explanation: