3. Year 10 - Characteristics of the respiratory system Flashcards
1
Q
Nasal Cavity
A
Filters + Warms air
2
Q
Pharynx
A
Throat Begins, passageway
3
Q
Larynx
A
Voice box/vocal chord - air vibrates past the vocal chords
4
Q
Trachea
A
Behind sternum - gets larger, has rings of cartilage
5
Q
Bronchus/Bronchioles
A
Divides into two (for each long), branches of the bronchi
6
Q
Alveoli
A
Air Sac (where gas exchange happens)
7
Q
Outline the function of the Pleura
A
Membrane that surround the lungs. This reduces friction between the lungs and the ribs
8
Q
Describe the function of the Diaphragm
A
Muscle at the base of the lungs (bottom of sternum). When it contracts it initiates breathing in.
