Eat healthy, get sufficient sleep, exercises, get sun.
Influenza, Is A Community - Acquired infection
Answer:
Development of the human heart during the first eight weeks (top) and the formation of the heart chambers (bottom). In this figure, the blue and red colors represent blood inflow and outflow (not venous and arterial blood).
I Hope This Helped You :D
The nutrient that is not digested but keeps the digestive system healthy is C. Vitamins :)
