Assertion: larynx's fold | /r/HasProperty | hollow tube
Facets:
Source sentences:
text: contains the vocal cords; two highly elastic folds – to produce sound for communication Trachea – a hollow tube surrounded by tough, flexible C-shaped cartilage rings- lined with cilia – lined with mucus secreting cells – allows air to pass from the pharynx into the lungs- cartilage rings prevent the trachea from collapsing and provide it with support Lung – composed of the bronchi, bronchioles and alveoli – the main organs of the respiratory system Bronchi – branch out of the trachea- hollow tubes surrounded by cartilage rings – lined with cilia and mucus secreting cells – to carry the air into the lungs