Diaphragm, Dome shaped muscle used during breathing, Air Pressure, The force due to gases acting on an area, Alveoli, Small air sacs in the lungs where gas exchange occurs, Asthma, Condition which makes breathing difficult, Bronchi, Major air tubes in the lungs, Bronchioles, Small, branching tubules which come after the bronchi, Exhale, Breathe air out, Gas Exchange, Oxygen passes into the bloodstream and carbon dioxide passes from the tissues into the blood, Inhale, To breathe air in, Intercostal muscles, Muscles between the ribs which help the ribs to move, Trachea, The tube between the mouth and the lungs, Ventilation, Breathing in and out

Leaderboard

Visual style

Options

Switch template

Continue editing: ?