Where does internal respiration occur?

[greenmouse228]

External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.

[lazywolf894]

Internal respiration is the process of diffusing oxygen from the blood, into the interstitial fluid and into the cells. External respiration refers to the process of exchanging oxygen and carbon dioxide in the lungs, gills, or other tissues exposed to the external environment.

One may also ask, what is the difference between internal and external respiration? Internal respiration is the transfer of gas between the blood and cells. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. Exchange of gases both in and out of the blood occurs simultaneously.

Also know, does internal respiration take place in the alveoli?

External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs. Internal respiration is the exchange of gases with the internal environment, and occurs in the tissues.

What are the organs or parts involved in internal respiration?

There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the bodys exterior.