Vitamin A is important for normal vision, the immune system, and reproduction. It also helps the heart, lungs, kidneys, and other organs work properly.
The study of the functions of a structure is known as physiology.
Sickle cell anemia is most common in people of Northern European descent. This is False
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:
