Muscles That Encircle Tubes and Act as Valves Are Called

question 22

Multiple Choice

Muscles that encircle tubes and act as valves are called:

• A)Constrictors
• B)Dilators
• C)Sphincters
• D)Lacteals
• E)Mucosa

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Definitions:

Product Cost

The total of all costs associated with making a product, including raw materials, labor, and overhead.

Factory Machinery

Refers to the set of equipment and mechanical devices used in a manufacturing plant to produce goods.

Electricity

A form of energy resulting from the existence of charged particles such as electrons or protons, often used as a power source.

Factory Overhead

All indirect costs associated with manufacturing, apart from direct materials and direct labor costs.