Chapter 3 Respiratory system Flashcards
1
Q
Cellular respiration formula
A
glucose + oxygen = carbon dioxide + water + energy
2
Q
Cilia
A
Small hairs in nasal cavity that filter bacteria and particles.
3
Q
Trachea
A
Windpipe that has rings to prevent it from collapsing
4
Q
Bronchi
A
Trachea divides into 2 bronchi, divides into smaller bronchioles then into alveoli
5
Q
Alveoli
A
Large surface area and one cell thick to allow easy gas exchange between lungs and bloodstream.
6
Q
Breathing in
A
- ribs move up and out
- lungs expand
- diaphragm contracts
7
Q
Breathing out
A
- ribs move down and in
- lungs are normal
- diaphragm relaxes (dome-shaped)
8
Q
Exercise
A
breathing faster and deeper, heart beats faster
9
Q
Pharnyx
A
connects mouth and nose to the oesophagus
10
Q
Larynx
A
Voice box
