noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The system of organs serving for respiration.
2. 2
   the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing wordnet

Synonyms

All synonyms

airway systemanatomy termbiology termbreathing systembreathing-relatedbreathing-supporting

Antonyms

All antonyms

circulatory systemdigestive systemnonbiological termnonpulmonary