7.10 - Respiratory System
The act of breathing in.
inspiration
as exchange in the tissues/cells.
internal respiration
Gas exchange in the lungs.
External respiration
The voice box
larynx
The act of breathing out.
Expiration
Tiny air sacs where gas exchange happens.
alveoli
Main organs for breathing.
lungs
The smallest branches of the bronchi.
Bronchioles
A Flap that covers the windpipe when you swallow.
epiglottis
Tiny hairs that sweep out mucus and dust.
cilia
the throat
pharynx
Spaces inside the nose for air passage.
nasal cavities
Wall that divides the nose.
nasal septum
External structure for air intake
nose
Cells use oxygen to make energy and carbon dioxide.
Cellular respiration
The windpipe leading to the bronchi.
trachea
Two large tubes leading from the trachea into the lungs.
Bronchi
A Double membrane that covers the lungs.
pleura
Exchange of gases in lungs and tissues.
respiratory system
The mechanical process of moving air in and out .
ventilation
Air cavities in the face that drain into the nose.
sinuses
Organs that handle breathing and gas exchange.
respiratory system