As the Iris Contracts and Relaxes, an Opening at Its

question 13

Multiple Choice

As the iris contracts and relaxes, an opening at its center, the ____, grows larger or smaller.

• A) pupil
• B) cornea
• C) lens
• D) retina
• E) limbus

---

Definitions:

Computer Memory

A device or system used to store digital information for immediate use in a computer or related computer hardware.

Equilibrium Price

The price at which the quantity of a product demanded by consumers equals the quantity supplied by producers.

Equilibrium Quantity

The amount of goods or services supplied and demanded at the equilibrium price, where the quantity demanded equals the quantity supplied.

Number of Firms

The total count of businesses operating within a market or industry, a key factor in determining market structure and competition levels.