Answer:
Gases, food nutrients, water, and wastes pass back and forth between body cells and the bloodstream across the thin walls of capillaries.
Explanation:
No it’s not. It is a problem in most of the first world and in a majority of the second world.
They usually have the supplies to administer a shot, a blood pressure machine, the little tool light the use for checking the eyes, ears, nose, mouth. They also have gowns and tongue depressors for checking for strep throat.
All the essential nutrients can be found in a vegetarian diet! (Coming from a vegetarian herself :))