Human Breathing (LC 2026) (Leaving Cert Biology): Flashcards
📚Flashcards
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Practise the cards
15 cards from this deck
What does nasal cavity do to air?
What does nasal cavity do to air?
Warms and moistens it
Cilia in nasal cavity function
Cilia in nasal cavity function
Filter air
What does pharynx connect?
What does pharynx connect?
Nose and mouth to larynx
Epiglottis function
Epiglottis function
Closes over trachea when swallowing to prevent food entering
Larynx alternative name
Larynx alternative name
Voice box
Larynx function
Larynx function
Produces sound
Trachea alternative name
Trachea alternative name
Windpipe
What does trachea branch into?
What does trachea branch into?
Bronchi and bronchioles
Function of cartilage rings in trachea
Function of cartilage rings in trachea
Prevent airways from collapsing
Mucous function in airways
Mucous function in airways
Traps dust, bacteria, and viruses
Cilia beating direction in airways
Cilia beating direction in airways
Upward current
Where do cilia move mucous to?
Where do cilia move mucous to?
Oesophagus where it's swallowed
Where gaseous exchange occurs
Where gaseous exchange occurs
In the lungs, primarily in alveoli
Pleural membranes function
Pleural membranes function
Reduce friction during breathing
Why left lung is smaller
Why left lung is smaller
To accommodate space for heart