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:
Answer:
D
Explanation:
It’s the same thing that makes up your nails
The answer is A.It releases spermicide into the uterus to keep sperm from fertilizing eggs. Hope this helps