Answer:
My knee joints, sometimes my arm/elbow joints, ankle joints, and hip joints. The muscles are relaxing and contracting to let you move.
Explanation:
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:
Margaret Chan,
Vikram Patel
Francis S. Collins
Arunachalam Muruganantham
Tom Frieden
Women of average risk for breast cancer should start going at 50 and follow up every 2 years .