Water. is probably a good one
The nutrient that is not digested but keeps the digestive system healthy is C. Vitamins :)
C.an emotion that is expressed by people in all cultures
Answer:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
Explanation:
