Describe the importance of body composition for various types of sports

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Which step in healthy decision making requires you to look at the decision you made and determined whether different actions would have produced different results

If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?