Noun external respiration has 1 sense
  1. breathing, external respiration, respiration, ventilation - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
    --1 is a kind of bodily process, body process, bodily function, activity
    --1 has parts:
     exhalation, expiration, breathing out; inhalation, inspiration, aspiration, breathing in
    --1 has particulars:
     artificial respiration; abdominal breathing; eupnea, eupnoea; hyperpnea; hypopnea; hyperventilation; panting, heaving; periodic breathing, Cheyne-Stokes respiration; smoke, smoking; snore, snoring, stertor; snuffle, sniffle, snivel; wheeze; second wind
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