The _______ Is the Amount by Which an Additional Unit

question 65

Multiple Choice

The _______ is the amount by which an additional unit of activity increases its cost.

• A) marginal cost
• B) average cost
• C) average profit
• D) marginal benefit

---

Definitions:

Sphincter Control

The ability to regulate the muscles that close the openings of the bladder and rectum, which are crucial for continence.

Peristalsis

The involuntary constriction and relaxation of muscles in the gastrointestinal tract that enables the movement of food through the system.

Laxatives

Substances that loosen stools and increase bowel movements, used to treat and prevent constipation.

Defecation Reflexes

The natural reflexes that control the process of expelling feces from the body.