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Respiratory System

QuestionAnswer
Respiration The release of energy from food
Trachea Takes air down to the lungs
Nose Filters air and traps dirt and microorganisms
Alveolus Gas exchange - CO2 and O2
Diaphragm Muscle that moves up and down to increase and decrease the volume of the chest
Intercostal muscles Cause the chest to expand and contract
Bronchus A tube carrying air into the lungs
Bronchioles Small tubes from the broncus - take air into the lungs
Percentage of oxygen in air 21%
Percentage of Nitrogen in air 79%
What can cause issues with respiratory system Smoking and lack of physical activity
Created by: paulamcgonnell
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