The Breathing System Flashcards
1
Q
Where is air inhaled?
A
Through the nose
2
Q
What are advantages of inhaling through the nose?
A
- Air borne bacteria are filtered
- Air is moistened and warmed- allowing it to diffuse into the capillaries easier
3
Q
What is in the pharynx?
A
Epiglottis and Larynx
4
Q
What is the epiglottis?
A
A flap of tissue that prevents food/water entering the trachea
5
Q
What is the trachea
A
Where air passes through into the bronchi
6
Q
What protects the trachea?
A
Rings of cartilage (protein) surround the trachea to protect by ensuring it doesn’t close in on itself
7
Q
Why does the trachea contain mucous?
A
To capture harmful bacteria and dust
8
Q
What are cilia?
A
Tiny hairs that allow for an upward movement of mucous up past the epiglottis and down the oesophagus
