test revision- lungs + the process of breathing Flashcards
1
Q
explain the naval and mouth cavity
A
where the air ebters the respiratory system
2
Q
explain pharynx
A
where the back of the mouth and nose meet
3
Q
explain larynx
A
produces sound when air passes over the larynx
4
Q
expain trachea
A
assist with air delivery
5
Q
explain brinchi
A
2 tubes that provide air to the lungs
6
Q
explain bronchioles
A
each brunchus subdivides into smaller branches called bronchioles
7
Q
explain alveoli
A
they are cup shaped sacs at the end of bronchioles
8
Q
define diffusion
A
when a material automatically flows from where it is a high concerntration (lots of it) to where it is a low concerntration (not much or none of it)
