What are internal respiration and external respiration? Internal respiration occurs in the body tissues, where cells release carbon dioxide and take in oxygen from the blood.

Explore external and internal respiration in this engaging video lesson. Understand how these processes support the body's respiratory system, followed by a quiz.

In contrast, internal respiration describes a gas exchange between blood and tissues inside the body via the circulatory system.

Learn about internal respiration and external respiration, plus internal and external gas exchange. Find out in what area of the lungs does respiration occur.

Learn about internal respiration and external respiration, plus internal and external gas exchange. Find out in what area of the lungs does respiration occur.

Learn about internal respiration and external respiration, plus internal and external gas exchange. Find out in what area of the lungs does respiration occur.

To learn more about respiration, review the accompanying lesson titled External and Internal Respiration in the Lungs: Definition & Process. The lesson covers the following objectives:

Learn about internal respiration and external respiration, plus internal and external gas exchange. Find out in what area of the lungs does respiration occur.

The exchange of gases between blood and cells is called A) pulmonary ventilation. B) internal respiration. C) external respiration. D) cellular respiration. E) inspiration.

Respiratory System One of the major functions of the respiratory system is to supply the body with oxygen for cellular respiration and dispose of carbon dioxide, a waste product of cellular …