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