Respiration
As a Noun
- The process of breathing, involving inhaling oxygen and exhaling carbon dioxide.
- In biology, the process by which cells produce energy through the intake of oxygen and release of carbon dioxide.
- Any form of gas exchange in living organisms to sustain life.
As Other Form
- Respire (Verb): To breathe in and out.
- Respiratory (Adjective): Related to breathing or the organs involved in breathing.
Word History
The word respiration comes from the Latin respiratio, meaning “the act of breathing,” derived from respirare (“to breathe again”). The term has been used in medical and biological contexts for centuries to describe both human breathing and cellular energy production.
Examples
- Proper respiration is essential for survival.
- During exercise, the rate of respiration increases.
- The doctor checked his respiration to monitor his health.
- Cellular respiration helps organisms convert food into energy.
Synonyms
Breathing, inhalation, exhalation, ventilation, gas exchange
Related Words
Oxygen, lungs, carbon dioxide, metabolism, circulation
Antonyms
Asphyxiation, suffocation, breathlessness, choking, stillness
