On a Cold Day,you Take in 4

question 91

Multiple Choice

On a cold day,you take in 4.2 L of air into your lungs at a temperature of 0°C.If you hold your breath until the temperature of the air in your lungs reaches 37°C,what is the volume of the air in your lungs at that point,assuming the pressure does not change?

• A)4.2 L
• B)4.4 L
• C)4.6 L
• D)4.8 L
• E)5.0 L

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Definitions:

Pericardium

The pericardium is the fibrous sac that encloses the heart, providing it protection and the lubrication needed for its movements.

Lubrication

The process or technique of using a lubricant to reduce friction and wear between two surfaces in contact.

Sphincter Muscles

Ring-like muscles that constrict or close a bodily passage or orifice to control the passage of substances.

Arterioles

Small blood vessels that branch off from arteries and lead to capillaries, playing a critical role in regulating blood flow and pressure.