Dictionary
respiratory system
noun
Definition of RESPIRATORY SYSTEM
: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs
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First Known Use of RESPIRATORY SYSTEM
1888
RESPIRATORY SYSTEM Defined for Kids
respiratory system
noun
Definition of RESPIRATORY SYSTEM for Kids
: a system of the body used in breathing that in human beings consists of the nose, nasal passages, pharynx, larynx, trachea, bronchial tubes, and lungs
Medical Dictionary
respiratory system
noun
Medical Definition of RESPIRATORY SYSTEM
: a system of organs functioning in respiration and consisting especially of the nose, nasal passages, nasopharynx, larynx, trachea, bronchi, and lungs—called also respiratory tract; see lower respiratory tract, upper respiratory tract
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