Explanation:
Your body needs food to function at its best and to fight the daily stress and fatigue of life. Our energy comes from the foods we eat and the liquids we drink. The three main nutrients used for energy are carbohydrates, protein, and fats, with carbohydrates being the most important source.
No because sometimes they have to put animals down and that’s something I, as a full hearted human, could not do.
The circulation that disperses oxygen & rich blood throughout the body, is "Systematic Circulation."
