Internal vs. External Respiration *EXPLAINED* 🫁

What are internal and external respiration? We created this video to cover the medical definition and provide a brief overview of this topic.
💥Respiratory Therapy Definitions [Glossary] ➜ ➜ ➜ https://bit.ly/3g6s4Pj
💥Depth of Respiration [Full Guide] ➜ ➜ ➜ https://bit.ly/3KSkTsQ

➡️ External Respiration
External respiration is the process of gas exchange between the body and the external environment. It takes place within the lungs, specifically in the tiny sacs called alveoli. During inhalation, oxygen-rich air enters the lungs, while during exhalation, carbon dioxide is removed from the body.

The primary steps that occur during external respiration include:
-- Inhalation: The diaphragm and intercostal muscles contract, increasing the volume of the thoracic cavity and reducing the pressure within. This causes air to flow into the lungs.
-- Gas exchange: In the alveoli, oxygen diffuses from the air into the blood, and carbon dioxide diffuses from the blood into the air. This occurs due to the concentration gradient between the air and blood.
-- Exhalation: The diaphragm and intercostal muscles relax, decreasing the volume of the thoracic cavity and increasing the pressure within. This forces air and carbon dioxide out of the lungs.

➡️ Internal Respiration
Internal respiration, also known as cellular respiration or tissue respiration, is the process of gas exchange between the body's cells and the blood. It occurs at the level of the capillaries, which are small blood vessels that connect the arteries and veins. The main purpose of internal respiration is to deliver oxygen to the cells for use in energy production and to remove carbon dioxide produced during cellular metabolism.

The primary steps that occur during internal respiration include:
-- Oxygen transport: Oxygen-rich blood is delivered to the body's tissues and cells via the circulatory system.
-- Gas exchange: In the capillaries, oxygen diffuses from the blood into the cells, and carbon dioxide diffuses from the cells into the blood.
-- Carbon dioxide transport: Carbon dioxide-rich blood is carried back to the lungs via the circulatory system, where it is removed from the body during external respiration.

➡️ Recap
External respiration involves the exchange of gases between the lungs and the surrounding environment, whereas internal respiration deals with the gas exchange at the cellular level within the body's tissues. Both processes are essential for maintaining proper oxygen and carbon dioxide levels and ensuring the body's cells can function efficiently.

💥Respiratory Therapy Definitions [Glossary] ➜ ➜ ➜ https://bit.ly/3g6s4Pj

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🚑MEDICAL DISCLAIMER
This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time.

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⏰TIMESTAMPS
0:00 - Intro
0:24 - External Respiration
0:48 - Inhalation
1:01 - Gas Exchange
1:15 - Exhalation
1:29 - Internal Respiration
2:10 - Oxygen Transport
2:16 - Gas Exchange
2:25 - Carbon Dioxide Transport

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▪ Music licensed from Audiojungle.net/
▪ Graphics: Canva.com, Freevector.com, Vecteezy.com, and Pngtree.com

#respiration #internalrespiration #externalrespiration