Respiratory System Anatomy

These apply to inhalation

• Diaphragm moves up

• Ribs move in

• Ribs move out

• Diaphragm contracts

• Creates larger pressure in thoracic cavity

These apply to exhalation

• Diaphragm moves up

• Ribs move in

• Ribs move out

• Diaphragm contracts

• Creates less pressure in thoracic cavity

What are the functions of the respiratory system? (select all)

• Supply the body with oxygen

• Remove carbon dioxide from the body

• Filter the blood

• Digest/absorb nutrients

Of the following, which is not a structure of the respiratory system?

• Larynx

• Pharynx

• Trachea

• Bronchi

• Esophagus

Where does gas exchange take place?

• Alveoli

• Bronchi

• Bronchioles

• Nasal cavity

Which is not a secondary function of the respiratory system?

• Purify the air

• Warm the air

• Humidify the air

• Detect scents in the air

What is the external structure that allows gases to move in and out of the body?

• Nose

• Lungs

• Larynx

• Bronchi

Another name for the nostrils are...

• External nares

• Nasal cavity

• Nasopharynx

• Epiglottis

What is the function of the respiratory mucosa?

• Produce mucous to trap debris

• Produces folds to create vibrations (sounds)

• Extra capillaries for gas exchange

• Lighten the skull bones and create resonance for speach

What surround the nasal cavity?

• Sinuses

• Larynx

• Trachea

• Bronchi