Respiratory System

What are the functions of the respiratory system? (Select all that apply)

• Exchanging respiratory gases between the blood and external environment

• Allowing food to digest

• transport CO2 from the lungs to blood vessels

• Helps balance CO2 to balance pH levels

What are the major parts of the respiratory system? (Select all that apply)

• Airway

• Lungs

• Muscles of the Respiratory System

• Bolus

T or F: during gas exchange, CO2 waste must be removed.

• True

• False

List the organs of the Respiratory System in order

Answer explanation

• Nasal Cavity

• Pharynx

• Larynx

• Trachea

• Bronchi & Bronchioles

• Lungs

Which inspiratory muscles contract during inspiration?

Answer explanation

Diaphragm and external intercostals

Where is air filtered, warmed, and moist ended?

• Bronchi

• Pharynx

• Nasal cavity

• Pleural cavity

Air passes through the ___ and then the ___

• Pharynx (throat), larynx (voice box)

• Larynx (voice box), pharynx (throat)

• Trachea, larynx (voice box)

• Pharynx (throat), trachea

The nasal cavity is divided into two cavities by the ___

What does ciliated mucosa do? (Select all that apply)

• Traps dust, mold, and other contaminants

• Pushes foreign particles towards the pharynx

• Allows dust to enter the nasal cavity

• Allows foreign particles to be swallowed

Which one is not apart of the three sections of the pharynx (throat)?

• Nasopharynx

• Oropharynx

• Esopharynx

• Laryngopharynx