Respiratory apparatus

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Respiratory Apparatus

The Respiratory Apparatus (pronounced: /rɪˈspɪrətɔːri əˈparətəs/) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The term is derived from the Latin respirare which means "to breathe".

Anatomy

The respiratory apparatus is divided into two main parts: the Upper respiratory tract and the Lower respiratory tract.

The Upper respiratory tract includes the Nose and nasal passages, the Pharynx, and the Larynx. The function of this part is to warm and moisten the air and to filter out any harmful substances before it reaches the lungs.

The Lower respiratory tract consists of the Trachea, Bronchi, and the Lungs. The main function of this part is the exchange of gases with the blood.

Physiology

The primary function of the respiratory apparatus is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory apparatus does this through the process of breathing. When we breathe, we inhale oxygen and exhale carbon dioxide. This exchange of gases is the respiratory system's means of getting oxygen to the blood.

Related Terms

  • Respiration: The process of inhaling oxygen and exhaling carbon dioxide.
  • Pulmonary Ventilation: The total exchange of gases between the atmosphere and the lungs.
  • Gas Exchange: The delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
  • Oxygenation: The process of oxygen molecules entering the tissues of the body.

See Also

External links

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