Meaning & Definition of word "Respiration"
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Respiration
/ˌrɛspəˈreɪʃən/
noun:
- 1. The process of inhaling and exhaling air; the physiological process of exchanging gases between the body and the environment.
- Example: Respiration is essential for the survival of living organisms as it provides the necessary oxygen.
- 2. The biochemical processes in cells that convert nutrients into energy, typically involving the intake of oxygen and the release of carbon dioxide.
- Example: Cellular respiration occurs in the mitochondria of cells.
- 3. The act of breathing or the exchange of gases in the lungs.
- Example: After strenuous exercise, my respiration rate increases significantly.
- 4. The process by which organisms obtain energy from food, often through oxidation.
- Example: Photosynthesis in plants contributes to respiration by producing oxygen.
Etymology
From Latin 'respiratio', from 'respirare', meaning 'to breathe again'.
Common Phrases and Expressions
respiratory rate:
The number of breaths taken in a minute.
respiratory system:
The organ system responsible for breathing.
cellular respiration:
The process by which cells convert sugars into energy.
Related Words
ventilation:
The process of exchanging air in a space, especially in relation to health.
inhale:
To breathe in air.
exhale:
To breathe out air.