Inspiration

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Inspiration (in-spuh-ray-shun)

Inspiration is a term used in the field of medicine to describe the process of drawing air into the lungs. This is a crucial part of the respiratory system and is essential for human life.

Etymology

The term 'inspiration' comes from the Latin word 'inspirare', which means 'to breathe into'. This term was first used in the medical context in the 16th century.

Process

During inspiration, the diaphragm and the intercostal muscles contract, causing the chest cavity to expand. This expansion reduces the pressure inside the lungs, allowing air to flow in. The air is then transported to the alveoli, where oxygen is transferred to the blood.

Related Terms

  • Expiration: The process of expelling air from the lungs.
  • Respiration: The overall process of exchanging gases between the body and the environment, which includes both inspiration and expiration.
  • Pulmonary ventilation: The total exchange of gases in and out of the lungs, which includes both the processes of inspiration and expiration.
  • Inspiratory reserve volume: The maximum amount of additional air that can be inhaled after a normal inhalation.
  • Inspiratory capacity: The total amount of air that can be inhaled after a normal exhalation.

See Also

External links

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