- 深呼吸 shēnhūxī take a deep breathto inhale deeply, often for relaxation or medical reasons
- 呼吸道 hūxīdào respiratory tract
- 呼吸器 hūxīqì ventilator(medicine) ventilator
- 人工呼吸 réngōnghūxī artificial respiration
- 呼吸系统 hūxīxìtǒng respiratory system
- 呼吸调节器 hūxītiáojiéqì regulatorregulator (diving)
- 备用二级头呼吸器 bèiyòng'èrjítóuhūxīqì octopusa backup regulator used in scuba diving, often referred to as an octopus
- 上呼吸道感染 shànghūxīdàogǎnrǎn upper respiratory infectionupper respiratory tract infection
- 睡眠呼吸暂停 shuìmiánhūxīzàntíng sleep apnea
- 严重急性呼吸系统综合症 yánzhòngjíxìnghūxīxìtǒngzōnghézhèng SARSsevere acute respiratory syndrome (SARS)
- 中东呼吸综合征 Zhōngdōnghūxīzōnghézhēng MERSMiddle East respiratory syndrome (MERS)
- 二级头呼吸器 èrjítóuhūxīqì regulator(scuba diving) regulator; demand valve
- 呼吸机 hūxījī ventilator(medicine) ventilator
- 呼吸管 hūxīguǎn snorkel
