Chapter 11: Respiratory

• define paranasal sinuses?

  air-filled cavities
• pharynx?

  passage for food from mouth to esophagus and for air from nose and mouth to larynx
• adenoids?

  pharyngeal tonsil located on posterior wall of nasopharynx that shrink as we age
• larynx?

  air-passage way located between pharynx and trachea
• epiglottis?

  flap of cartilage that covers upper region of larynx to prevent food from entering lungs
• glottis?

  Part of larynx consisting of vocal folds and its slit opening between folds
• trachea?

  air passage extending from larynx into thorax
• bronchi?

  The bronchi are the main airways that branch off from the trachea into left and right bronchus and lead into the lungs
• carina of trachea?

  cartilaginous ridge at the point where trachea divides into two bronchi
• what happens in alveoli?

  Gas exchange of oxygen and carbon dioxide between lungs and blood
• where is blood aerated?

  lungs
• how is the right lung divided? upper, middle, and lower
• how is the left lung divided?

  upper and lower
• what is pleura?

  serous membrane surrounding lungs and lining wall of pulmonary cavity
• what is a parietal layer?

  outer layer of pleura that attaches to chest wall
• pleural cavity?


  space between layers of pleura
• visceral layer?

  inner layer of pleura that attaches to lungs
• diaphragm?

  muscular partition between abdominal and thoracic cavities
• mediastinum?

  area of thoracic cavity between lungs that contains heart, aorta, esophagus, trachea, and thymus
• eupnea?

  normal breathing
• external respiration?

  Exchange of gases (oxygen and carbon dioxide) between the lungs and the external environment.
• internal respiration?

  Exchange of gases (oxygen and carbon dioxide) between the blood and tissues in the body.
• sputum?

  Saliva and mucus mix; phlegm
• ventilation?

  mvmt of gases into and out of lungs
• aspir/o?

  suck air in
• atel/o?

  incomplete
• ausculat/o?

  listening
• bronchi/o?

  airway that leads from trachea to lung
• capn/o?

  carbon dioxide
• phon/o?

  sound
• phren/o?

  diaphragm
• pleur/o?

  lung, rib, side
• pneum/o?

  lung
• rhin/o?

  nose
• spir/o?

  breathe
• em-?

  in
• in-?

  not
• per-?

  through
• -cele?

  herniation, protrusion
• -ectasis?

  dilation, stretching