1Respiratory System
Brings in oxygen for respiration in our cells and removes carbon dioxide they produce.
2Respiration
Release of energy from food.
3Nose
Take in air. Filter the air with tiny hairs.
4Trachea
Take air down to the lungs.
5Bronchus
A tube that carries air into the lungs.
7Bronchioles
Small tubules from the bronchus to carry air within the lungs.
8Alveolus
Air sacs for gaseous exchange.
9Intercostal muscles
Cause the chest to expand and contract.
10Diaphragm
Cause the volume of the chest to increase and decrease.