The exchange of gases between blood and air occurs in blood vessels called ______.
Understand the Problem
The question is asking where gas exchange occurs between blood and air in the body. This requires identifying the specific type of blood vessels involved in this process.
Answer
Capillaries
The exchange of gases between blood and air occurs in blood vessels called capillaries. These capillaries are located in the walls of the alveoli in the lungs, facilitating the exchange of oxygen and carbon dioxide.
Answer for screen readers
The exchange of gases between blood and air occurs in blood vessels called capillaries. These capillaries are located in the walls of the alveoli in the lungs, facilitating the exchange of oxygen and carbon dioxide.
More Information
Capillaries' thin walls and proximity to alveoli facilitate efficient gas exchange through diffusion.
Tips
A common mistake is confusing capillaries with other types of blood vessels, such as arteries or veins, which have different functions. Capillaries are specifically adapted for gas exchange due to their thin walls.
Sources
- Exchanging Oxygen and Carbon Dioxide - Lung and Airway Disorders - merckmanuals.com
- Gas Exchange | Anatomy and Physiology II - Lumen Learning - courses.lumenlearning.com
- Lungs and Respiratory System (for Teens) | Nemours KidsHealth - kidshealth.org
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