Nasal Cavity
Pharynx
Larynx
Bronchial Tubes
Lungs
100
Air enters through these two external openings in the nose.
What are nares?
100
These help prevent pathogens from entering the body through air breathed or food and liquid swallowed.
What are tonsils?
100
The larynx is also called this.
What is a voice box?
100
This end of the trachea divides to form the left and right primary bronchi.
What is the distal end?
100
This double membrane protects the lungs.
What is the pleura?
200
This divides the nasal cavity down the middle.
What is the nasal septum?
200
The oropharynx, behind the mouth, contains these two tonsils.
What are palatine tonsils and lingual tonsils?
200
These are folds of membranous tissue that produce sound.
What are vocal cords?
200
When bronchus enters one of the lungs and branches repeatedly it creates these.
What are secondary and tertiary bronchi?
200
There are three of these in the right lung, and two in the left lung.
What are lobes?
300
This is located in the roof of the mouth and separates the nasal cavity above from the mouth below.
What is the palate?
300
The other end (from the opening) of this tube is located in the middle ear.
What is the eustachian or auditory tube?
300
This provides protection against food and liquid being inhaled into the lungs.
What is the epiglottis?
300
These are the most narrow branches.
What are the bronchioles?
300
These persons measure lung volumes to aid in determining the functioning level of the respiratory system.
What are respiratory therapists?
400
The respiratory tract is covered in mucous membrane that secretes this sticky fluid.
What is mucus?
400
This is the middle part of the pharynx.
What is oropharynx?
400
The plates of the larynx walls are made up of this.
What is cartilage?
400
Each lung contains this many alveoli.
What is approximately 150 million?
400
This is the formed sac around each lung.
What is the pleural cavity?
500
These air-filled cavities are located within the facial bones.
What are paranasal sinuses?
500
This many tonsils are located in the pharynx.
What are 3 pairs of tonsils?
500
This forms the Adam's apple.
What is the thyroid cartilage?
500
The walls of the alveoli and capillaries are referred to as this unit.
What is the respiratory membrane?
500
This is the area between the right and left lung.
What is the mediastinum?
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