Respiratory system Flashcards
(12 cards)
1
Q
What are two things involved in breathing?
A
- exhalation
- inhilation
2
Q
What is external respiration?
A
gases exchanged between lungs and blood
3
Q
what is internal respiration?
A
gases exchanged between blood and tissues
4
Q
what is cellular respiration?
A
use of ATP to produce c02 as a waste product
5
Q
2 places O2 enters the body?
A
- the nose (nostrils)
- the mouth
6
Q
what is the nose cavity called?
A
nasal cavity
7
Q
what is the mouth cavity called?
A
oral cavity
8
Q
What structures does o2 go through into the lungs?
A
nose, pharynx, trachea
9
Q
what lines the nostrils? and why?
A
- mucousal cell layer
- nose hairs
filter and trap debris
10
Q
What is the pharynx? (throat)
A
passageway at the back of mouth
connects to the trachea
also connectetd to the esophagus
11
Q
What is the larynx?
A
tube connected to pharynx that acts as the voice box
12
Q
A
