Nutritionist, Endocrinologist, Bariatric Physician
Answer:
-Blood in the heart only flows one-way
-The atria pump oxygen-rich blood to the body
It means that there is no more of something it had basically disappeared
In terms of a diet= human bodies need fat to function and get rid of feces. Externally it is used to lubricate the skin preventing tears, and damaged hair/skin/nails. Generally speaking