Respiration

/ˌrɛspəˈreɪʃən/

Meaning & Definition

noun

The process of inhaling and exhaling air; the physiological process of exchanging gases between the body and the environment.

Respiration is essential for the survival of living organisms as it provides the necessary oxygen.

The biochemical processes in cells that convert nutrients into energy, typically involving the intake of oxygen and the release of carbon dioxide.

Cellular respiration occurs in the mitochondria of cells.

The act of breathing or the exchange of gases in the lungs.

After strenuous exercise, my respiration rate increases significantly.

The process by which organisms obtain energy from food, often through oxidation.

Photosynthesis in plants contributes to respiration by producing oxygen.

From Latin 'respiratio', from 'respirare', meaning 'to breathe again'.

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.

ventilation

The process of exchanging air in a space, especially in relation to health.

inhale

To breathe in air.

exhale

To breathe out air.