Splits into left and right branches for each lung
Smaller branches of bronchi that lead to the alveoli
Bronchus
Fine hairs in the respiratory structures that trap particles and foreign objects
Trachea
A muscular sheet that is involved in respiration
Known as the voice box or Adam's apple
A tube made up mainly of cartilage that takes air to the lungs
Covers the trachea to stop food or liquid entering the lungs
Bronchioles
Where the nasal cavity and oral cavity meet
Help move the rib cage and sternum upwards and outwards during inspiration
External intercostal muscles
Small sac-like structures involved in gaseous exchange in the lungs
Alveoli
Larynx
Epiglottis
Diaphragm
Pharynx
Cilia
