Human Larynx Small 320×243 Medium 640×486 Large 1024×777 Download Tiff Original 2400×1822 | (4.2 MB) Description The part of the respiratory tract between the pharyna and the trachea. Responsible for speech. Keywords adam's apple, adams apple, throat, voice box Galleries Human Upper Respiratory System Source: W. Morrant Baker and Vincent Dormer Harris, Hand-Book of Physiology (Philadelphia:P. Blakiston, Son & Co., 1892) 554