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