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Internal Respiration vs. External Respiration: What's the Difference?

Edited by Sawaira Riaz || By Sumera Saeed || Updated on October 27, 2023
Internal respiration is the exchange of gases between blood and body tissues. External respiration is the exchange of gases between the external environment and the blood in the lungs.

Key Differences

Internal respiration involves gas exchange at the cellular level, whereas external respiration occurs in the lungs.
Sumera Saeed
Oct 27, 2023
Internal respiration is crucial for cellular metabolism, while external respiration is essential for oxygen intake and carbon dioxide expulsion.
Sumera Saeed
Oct 27, 2023
In internal respiration, oxygen is delivered to tissues, and carbon dioxide is picked up; in external respiration, oxygen is absorbed, and carbon dioxide is released into the atmosphere.
Sumera Saeed
Oct 27, 2023
Internal respiration occurs throughout the body, while external respiration is limited to the respiratory system.
Janet White
Oct 27, 2023
The efficiency of internal respiration depends on circulatory health, whereas external respiration relies on lung function.
Janet White
Oct 27, 2023
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Comparison Chart

Part of Speech

Noun
Noun
Sumera Saeed
Oct 27, 2023

Word Origin

Latin (internus + respiratio)
Latin (externus + respiratio)
Sumera Saeed
Oct 27, 2023

Plural Form

Internal respirations
External respirations
Sumera Saeed
Oct 27, 2023

Related Terms

Cellular respiration, Gas exchange
Pulmonary ventilation, Breathing
Sumera Saeed
Oct 27, 2023

Usage in Biology

Cellular metabolism, Oxygen delivery
Oxygen intake, Carbon dioxide release
Sumera Saeed
Oct 27, 2023
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Internal Respiration and External Respiration Definitions

Internal Respiration

The exchange of respiratory gases within tissues.
Internal respiration occurs in the capillaries surrounding body tissues.
Harlon Moss
Oct 27, 2023

External Respiration

Oxygen intake and carbon dioxide expulsion through the lungs.
During exercise, external respiration rates increase.
Sumera Saeed
Oct 27, 2023

Internal Respiration

Oxygen and carbon dioxide transport within the body.
Efficient internal respiration is vital for energy production.
Sumera Saeed
Oct 27, 2023

External Respiration

The respiratory activity occurring in the alveoli of the lungs.
External respiration is impaired in lung diseases.
Janet White
Oct 27, 2023

Internal Respiration

Gas exchange between blood and body cells.
Internal respiration supplies oxygen for cellular activities.
Sawaira Riaz
Oct 27, 2023

External Respiration

Gas exchange between lungs and the external environment.
External respiration involves inhaling oxygen and exhaling carbon dioxide.
Sawaira Riaz
Oct 27, 2023

Internal Respiration

The process of oxygen utilization and carbon dioxide production at the cellular level.
Internal respiration is fundamental for cellular metabolism.
Sumera Saeed
Oct 27, 2023

External Respiration

Breathing process involving the respiratory system.
External respiration is essential for life-sustaining oxygen intake.
Sumera Saeed
Oct 27, 2023

Internal Respiration

Cellular level respiration involving blood and tissues.
Internal respiration ensures cells receive adequate oxygen.
Janet White
Oct 27, 2023

External Respiration

The process of air movement in and out of the lungs.
External respiration efficiency is crucial for athletic performance.
Sumera Saeed
Oct 27, 2023

FAQs

What is external respiration?

Exchange of gases between the lungs and the external environment.
Sawaira Riaz
Oct 27, 2023

Where does internal respiration occur?

At the cellular level in body tissues.
Sumera Saeed
Oct 27, 2023

Why is internal respiration important?

For delivering oxygen to cells and removing carbon dioxide.
Sumera Saeed
Oct 27, 2023

Where does external respiration happen?

In the lungs.
Sara Rehman
Oct 27, 2023

Can internal respiration occur without external respiration?

No, both are interdependent.
Aimie Carlson
Oct 27, 2023

Is external respiration the same as breathing?

Essentially, yes.
Sumera Saeed
Oct 27, 2023

What's the role of alveoli in external respiration?

They facilitate gas exchange with the blood.
Harlon Moss
Oct 27, 2023

Can illnesses impact external respiration?

Yes, respiratory diseases can severely impair it.
Harlon Moss
Oct 27, 2023

What is internal respiration?

Exchange of gases between blood and body tissues.
Sumera Saeed
Oct 27, 2023

What can impair internal respiration?

Poor blood circulation or cellular damage.
Sumera Saeed
Oct 27, 2023

Can diseases affect internal respiration?

Yes, conditions like anemia can impact it.
Sumera Saeed
Oct 27, 2023

Do plants perform external respiration?

In a way, through gas exchange in leaves.
Janet White
Oct 27, 2023

Why is external respiration crucial?

For oxygen intake and carbon dioxide release.
Harlon Moss
Oct 27, 2023

What factors affect external respiration?

Lung function, air quality, and respiratory rate.
Sara Rehman
Oct 27, 2023

Is internal respiration synonymous with breathing?

No, it's a cellular process, not a mechanical one.
Sumera Saeed
Oct 27, 2023

Does exercise influence internal respiration?

Yes, by increasing oxygen demand and carbon dioxide production.
Sumera Saeed
Oct 27, 2023

How does exercise affect external respiration?

It increases the rate and depth of breathing.
Sumera Saeed
Oct 27, 2023

Do plants undergo internal respiration?

Yes, at a cellular level.
Sumera Saeed
Oct 27, 2023

Does external respiration affect internal respiration?

Yes, as it determines oxygen availability.
Harlon Moss
Oct 27, 2023

What role does hemoglobin play in internal respiration?

It transports oxygen to tissues and carries carbon dioxide back.
Harlon Moss
Oct 27, 2023
About Author
Written by
Sumera Saeed
Sumera is an experienced content writer and editor with a niche in comparative analysis. At Diffeence Wiki, she crafts clear and unbiased comparisons to guide readers in making informed decisions. With a dedication to thorough research and quality, Sumera's work stands out in the digital realm. Off the clock, she enjoys reading and exploring diverse cultures.
Edited by
Sawaira Riaz
Sawaira is a dedicated content editor at difference.wiki, where she meticulously refines articles to ensure clarity and accuracy. With a keen eye for detail, she upholds the site's commitment to delivering insightful and precise content.

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