Emotional and physical stress are ofter caused by loss.
this is because apart from B)Loss. everything is positive. Exercising will release endorphin which will make you happy. relaxing will make you feel calm and achieving your goals will encourage you to do more.
therefore the answer is B) Loss
Deliver Oxygen and nutrients and to remove carbon dioxide and other waste products
2,3, and 5. 4 could be, but it says order and the question says eating at home so that one doesn't work and the 1st one says menu and that infers that you're at a restaurant so that one wouldn't work either. Hope that that helped!!!
