Ch.3 , Les .3 Flashcards
1
Q
Lungs
A
The main organs of the respiratory system
2
Q
Exhale
A
To breath out
3
Q
Diaphragm
A
A flat muscular that controls breathing
4
Q
Inhale
A
To breath in
5
Q
Capillary
A
A tiny blood vessel
6
Q
Alveoli
A
Thin-walled air sacs within the lungs
7
Q
Diffusion
A
The movement of particles from areas with high concentrations to areas with low concentration
