Respiration adjectives are listed in this post. Each word below can often be found in front of the noun respiration in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing RESPIRATION.
aerobic, anaerobic, animal, artificial, cellular
deep, difficult, external, free, internal
irregular, laborious, microbial, mitochondrial, natural
normal, ordinary, own, quiet, rapid
regular, shallow, slow, spontaneous, stokes
Hope this word list had the adjective used with respiration you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.