The Orbicularis Oris Muscle

question 101

Multiple Choice

The orbicularis oris muscle

• A) puckers the mouth for kissing.
• B) contributes to pouting.
• C) contributes to laughing and smiling.
• D) causes crow's feet wrinkles.
• E) raises the eyelid.

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Definitions:

Metal Alloy

A mixture of two or more elements, where at least one is a metal, created to enhance properties such as strength, durability, or resistance to corrosion.

Zinc

A chemical element with the symbol Zn and atomic number 30, often used for galvanizing iron and steel to protect against rust.

Copper

A chemical element with symbol Cu and atomic number 29, known for its high thermal and electrical conductivity.

Production Function

A mathematical representation describing the relationship between input factors and the output of goods or services.