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
Most people when they are about to catch a ball they have there hand ready but soft, try having your hand ready but at a angle and when you catch it tighten your hand mucsles as fast as you can, you will feel less sting
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All of the above is your answer
I’m guessing the answer is 4