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