Analyze your life in general and/or family members in terms of race, class, age, and other factors. What 'evidence' can you find that society guides our lives?

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy

Answer a unit dose;

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!