Respiratory System Flashcards
(107 cards)
Parts of the respiratory system
Nose
Pharynx
Larynx
Trachea
Lungs
Two main functions of the respiratory system
Pulmonary ventilation and gas exchange
It is where gas exchange occurs.
Alveoli
Contains olfactory receptors. it filters, warms, moistens incoming air.
Nose
Air enters the nose through what?
Nostrils (nares)
Traps dust and germs
Ciliated Mucosa
Nasal cavity or nose is divided by
Nasal Septum
Lightens the skull and enhances voice resonance.
Paranasal Sinuses
Muscular passage for food and air, also called the throat.
Pharynx
How long is the pharynx
13cm
What are the regions of the pharynx
Nasopharynx
Oropharynx
Laryngopharynx
for respiration and for air
Nasopharynx
For air and food
Oropharynx and laryngopharynx
Protection from infection
Tonsils
Also known as the voice box. It directs air and food into proper channels and plays a key role in speech
Larynx
How many cartilages does the larynx have?
9 cartilages
8 rigid hyaline
1 elastic
another name for elastic cartilage? Open during breathing and close during swallowing
Epiglottis
Thyroid cartilages
Adam’s Apple
Part of the mucous
membrane in the larynx, it also vibrates with air to produce sounds
Vocal folds
Space between the vocal folds
Glottis
Also knows as the windpipe
Trachea
Length of the trachea
10 to 12 cm (4 inch)
Trachea extends to?
5th thoracic vertebra
Tracheal walls are reinforced with what
C-shaped rings of hyaline cartilage