What is the primary function of iron in hemoglobin?
Understand the Problem
The question is asking about the main role of iron in hemoglobin, specifically focusing on its biological function related to oxygen transport.
Answer
Iron binds and transports oxygen in hemoglobin.
The primary function of iron in hemoglobin is to bind and transport oxygen from the lungs to the tissues.
Answer for screen readers
The primary function of iron in hemoglobin is to bind and transport oxygen from the lungs to the tissues.
More Information
Iron is a vital component of hemoglobin, enabling it to carry out its essential function of oxygen transport in the bloodstream. Without sufficient iron, hemoglobin cannot effectively bind oxygen, leading to reduced oxygen delivery to tissues.
Tips
A common mistake is confusing the role of iron in myoglobin, which is similar but specifically related to muscle oxygen storage.
Sources
- Hemoglobin and Functions of Iron | Patient Education - UCSF Health - ucsfhealth.org
- Iron - Health Professional Fact Sheet - ods.od.nih.gov
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