Answer:
Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.
Explanation:
The nutrient that is not digested but keeps the digestive system healthy is C. Vitamins :)
I believe 4,000 to 11,000 per microliter of blood.
In adults around 7,000 to 11,000
I am pretty sure that the answer on the first question is poverty, because most rural areas are not as developed as towns.
The second one best matches with physical health, because the physical state has the strongest positions in lige of every alive being.
The next one is the option ''doubled''.
