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
Answer:
Your A
answer is: C. <em>To </em><em>maintain</em><em> </em><em>normal </em><em>heart </em><em>rhythm</em>
Explanation:
A pacemaker signals the heart to beat when the heartbeat is too slow or irregular. A pulse generator is a small metal case that contains electronic circuitry with a small computer and a battery that regulate the impulses sent to the heart.
If you don't recognize early signs of stress you might: 1. Feel completely miserable, 2. Be irritable, 3. Get things such as cold sores.
Hopefully this helps :)