What is the MAIN function of the respiratory system?

• Keeping blood moving through the body

• Providing oxygen and eliminating carbon dioxide

• Talking, sneezing, singing, and coughing

• Removing all of the waste products from the blood

Which of these is NOT a role of the upper respiratory system?

• Filter particles from inhaled air

• Producing the voice

• Providing the sense of smell

• Exchanging oxygen and carbon dioxide

Which of these does NOT describe the conchae?

• 3 scroll-like bones

• Increase surface area for filtering air

• Only present in the nasal cavity of adults

• Increases air turbulence in the nasal cavity

What are the small hairs in the vestibular region of the nose called?

• Cilia

• Villi

• Micro hairs

• Flagella

Where are the olfactory receptors found?

• On the roof of of the oral cavity

• Inside of the nostrils

• On the tongue and in the throat

• On the roof of the nasal cavity

Which of these will most likely affect the sense of smell?

• Burning the skin around the nose

• A buildup of mucus in the nasal cavity

• A cleft palate

• A blockage in the trachea

Select ALL of the choices that describe the sinuses:

• Air-filled cavities surrounding the nose

• Lighten the weight of the head

• Decrease the volume of the voice

• Warm and moisten air

Which if these is part of both the digestive system and the respiratory system?

• Larynx

• Trachea

• Bronchi

• Pharynx

Which part of the pharynx is most directly connected to the nasal cavity?

• Oropharynx

• Laryngopharynx

• Nasopharynx

• All parts of the pharynx are connected to the nasal cavity

Which best describes the Eustachian tubes?

• They connect the pharynx to the nasal cavity

• They connect the middle ear to the nasopharynx

• They connect the larynx to the trachea

• They connect the middle ear to the lungs