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

Illustration of RESPIRATORY SYSTEM

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

Illustration of RESPIRATORY SYSTEM

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