- trachea, windpipe - membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
--1 is a kind of cartilaginous tube
--1 is a part of upper respiratory tract; neck, cervix
--1 has parts: epiglottis - trachea - one of the tubules forming the respiratory system of most insects and many arachnids
--2 is a kind of tubule
--2 is a part of respiratory system, systema respiratorium