During Inhalation,air Flows into the Lungs Because

question 3

Multiple Choice

During inhalation,air flows into the lungs because:

• A)air pressure is greater outside the body than in the lungs and naturally flows inside once the chest has expanded
• B)the strong chest muscles are sucking in air
• C)air moves passively in and out of the lungs through time
• D)the surfactant in the lungs "draws" in air because of its adhesive properties

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Definitions:

Selector Switch

A switch that allows the user to select among multiple positions or modes, often found on control panels for machinery.

Control Circuit Rung

A section or level within a control circuit diagram, often represented as horizontal lines that show the flow of electrical control signals.

Reversing Motor Starter

A device that allows the control of an electric motor's direction of rotation, enabling it to run both forward and backward.

Contactors

Electromechanical switches used in electrical circuits to control the flow of power to devices, typically operated by an electromagnetic coil.