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The Respiratory System (Respiratory Volumes (Tidal Volume (amount of air…

- - - - O2 and CO2
    - - O2 and CO2
- - - - flexible tube that connects larynx with bronchi
      - passage of air to bronchi
    - - paired tubes inferior to the trachea that enter the lungs
      - passage of air to lungs
    - - branched tubes that lead from bronchi to aloveoli
      - passage of air to each alveolus
    - - soft, cone-shaped organs that ocuppy lateral portions of thoracic cavity
      - contain alveoli and blood vessels
    - - thin-walled microscopic air sacs in lungs
      - gas exchange between air and blood
  - - - hollow space in nose
      - filter, warm; and moisten air
    - - chamber posterior to oral cavity; lies between nasal cavity and larynx
      - connection to surrounding regions
    - - opening into larynx
      - passage of air into larynx
    - - cartilaginouis organ that houses the vocal cords; voice box
      - sound production
- - - - prevents food from entering the respiratory tract
- - - - a lobule has a bronchiole serving many alevoli
- - - - rib cage froms top & sides
      - intercoastal muscles lie between the ribs
      - diaphragm froms the floor
  - - - resp. center sends out nerve impulses to diaphragm and external intercoastals
    - - resp. center ceases to send out nerve impulses to the diaphragm and exernal intercoastals