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