I think number 8 is a. or d.
Answer:
negative calcium balance resulting from insuffcient vitamin D and action.
Explanation:
negative calcium balance primarily occurs when intestinal calcium absorption is impaired and fails to balance the intestinal and renal calcium loss.
When you are in stress your body and mind are tense and your body and mind cannot concentrate or operate as it normally does, Resulting in many different downsides like not being able to exercise properly.