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