Answer:
Regular physical activity and workouts.
Explanation:
Physical activity and working out on a regular basis can improve your heart and lung endurance, as you are sure to be careful, doing it in small increments and stretching before working out to provide some type of safety.
For the first one the answer is Abduction and the second one is called Flexion. Hope I helped!
1. It allows our bones to move
2.skeletal muscle
3.proper warm up and stetching
make the students feel safer. be there friends. and be there for them