The human body A beginner's text-book of anatomy, physiology and hygiene .. . Use of the lungs? Of the air-passages ? Of the respiratory muscles and the skeleton of thechest? 168 VOICE, 12. The Air-Passages are the nostril-chambers, the phar-ynx, the larynx, the windpipeor trachea, the bronchi, andthe bronchial tubes. The nos-trils (Fig. 42) open behind,into the upper part of the r Wll^^^^j^^yH^ ^^ pharynx. From the front of^ ^ ^^^^ ^j^^ pharynx, below the levelof the root of the tongue,k, and above the opening intothe gullet, the larytix pro-ceeds. Its opening is over-hung by a sort of lid, e
The human body A beginner's text-book of anatomy, physiology and hygiene .. . Use of the lungs? Of the air-passages ? Of the respiratory muscles and the skeleton of thechest? 168 VOICE, 12. The Air-Passages are the nostril-chambers, the phar-ynx, the larynx, the windpipeor trachea, the bronchi, andthe bronchial tubes. The nos-trils (Fig. 42) open behind,into the upper part of the r Wll^^^^j^^yH^ ^^ pharynx. From the front of^ ^ ^^^^ ^j^^ pharynx, below the levelof the root of the tongue,k, and above the opening intothe gullet, the larytix pro-ceeds. Its opening is over-hung by a sort of lid, e,named the epiglottis. This lidshuts down when food ordrink is passing through thepharynx, but stands up atother times. 13. The Larynx is the or-gan in which voice is pro- FiG. 42.—The mouth, nose, and duccd. The hard projection pharynx, with the commencement of the gullet and larynx, as exposed by in front of the Ueck, COm- a section, a little to the left of the mid- dieof the head. ^ vertebral column; monly named Adams ap- b. erullet! c. windoioe: e. eois^lottis: ^ ^. y;,soft palate;^, opening^of Eusta- pj^^- j^ causcd by the larynx, gullet; <r, windpipe; ^, epiglottis; soft palate; g, opei - chian tube; k, tongue; w, the sphenoid bone on the base of „,u:^U \r^ ^ ^^^4-: l^^:^^,,r. K^^rthe skull; n, the fore part of the skull- whlch IS a CartllaglUOUS bOXcavity; o^p^q. the turbinate bones of / 7 tt*. \ t j u the outer side of the left nostril-Cham- \a, Jh Ig. 42 j lined by mu- cous membrane. At oneplace the mucous membrane is pushed in from each side,so that only a narrow slit is left in the middle. This 12. Name the air-passages ? Into what do the nostrils open be-hind ? Where does the larynx begin? What is the epiglottis? Its use? 13. Name the organ of voice ? What is the larynx ? What is theglottis ? What are the vocal cords ? THE GLOTTIS. 169 slit (^, Fig. 43) is named the glottis. The folds formingits sides are elastic and tightly stretched ; they arenamed the voca
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Keywords: ., bookcentury1800, bookdecade1, booksubjectphysiology, bookyear1884
