Sexual contact can. Also cold sores/ open wounds in the mouth can cause kissing to transmit HIV
The answer is the third option.
A goal is something you consciously want to achieve and are willing to work for in order to get it.
Where's the choices?? But anyways cardio has to do directly with the heart and it's pace if I do crunches that is NOT cardio respiratory it's neither cardio respiratory hope this helps
B. Prevent injury
Always important
