Did you mean mechanical ? If you do mean mechanical then here's the answer to your question:
Mechanical digestion is when the food is being broken down physically into smaller pieces from the mouth and chemical digestion is when the food is being broken down into substance particals starting from the saliva and proceeding through the small intestines.
I would put D. correct me if I’m incorrect
the process in a woman of discharging blood and other materials from the lining of the uterus at intervals of about one lunar month from puberty until menopause, except during pregnancy.
Answer: C). Introspection
Explanation:
Principles of structuralism are aspects of Structural psychology which was developed by Wilhelm Wudt. He defined structural psychology as a theory of consciousness.
He defined Introspection which he also called "internal perception" as a process in which an individual examines their own conscious experience (thoughts and feelings) as objectively as possible.
It restricks the movement of sperm.
