Sagot :
Answer:
how about all of the above
Explanation:
all of this is our habits everyday right to maintain e energy to our body that's why we exercise eat nutritious food with rich in calcium and limit in sunlight
Answer:
A. Have proper breathing excersice and avoid pollutants.
Explanation:
It's letter A. because the respiratory system is the breathing system (includes the lungs). This is where we breath. We should take care of it so that we can't hardly breath like what most people experienced, especially those who smokes. It's not B. nor C. because this is both for the bones while letter D. is for the skin.