number of subjects, age and sex of the subject, and length of the study... Just took the quiz(:
It’d be across a country i would think ... hope it helps
The answer to this problem would be
A. cocaine
Cardio respiratory endurance tests monitor how well the heart lungs and muscles perform during moderate to high intensity exercise increasing cardio respiratory endurance and improves oxygen uptake in the lungs and heart in hand can help a person sustain physical activity for longer