The branch of ethical theory that considers the origin and meaning of ethical principles is known as
a. philosophy.
b. etiquette.
c. metaethics.
d. normative ethics.

The answer to the missing word in the statement is letter C. The branch of ethical theory that considers the origin and meaning of ethical principles is known as meta ethics. It makes us questions how we understand, what we know and what we mean especially with what is wrong or what is right.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath.