Science Revision - Breathing Flashcards
1
Q
Breathing
A
The process of moving air into and out of the lungs.
2
Q
Gas Exchange
A
Movement of oxygen and carbon dioxide between cells and blood.
3
Q
Diffusion
A
The movement of a substance from an area of high concentration to an area of low concentration.
4
Q
Trachea
A
The tube connecting the mouth to the lungs.
5
Q
Bronchi (Bronchus)
A
The 2 branches from the trachea leading to the 2 lungs.
6
Q
Bronchiole
A
The branches of the bronchi within the lung leading to the alveoli.
7
Q
Alveoli (Alveolus)
A
The small sacs at the end of the bronchioles. Gas exchange occurs here.
8
Q
Cartilage
A
The flexible support material that supports the trachea.
