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Questions and Answers
What is the primary function of hemoglobin in red blood cells?
Why do erythrocytes lack a nucleus in most mammals?
What is the average lifespan of a red blood cell in the human body?
Where does the destruction of old red blood cells primarily occur?
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What is the typical range of hemoglobin concentration in a healthy adult?
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Study Notes
Erythrocytes
- Most abundant cells in the blood
- Healthy adult males have 5 to 5.5 million RBCs per mm³ of blood
- Produced in the red bone marrow
- Lack a nucleus in most mammals
- Biconcave shape
- Contain hemoglobin, a red-colored, iron-containing complex protein
- Hemoglobin gives RBCs their color and name
- Healthy individuals typically have 12-16 grams of hemoglobin per 100 milliliters of blood
- Hemoglobin transports respiratory gases
- Average lifespan of 120 days
- Destroyed in the spleen
- Spleen is often called the "graveyard of RBCs"
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Description
This quiz explores the characteristics and functions of erythrocytes, commonly known as red blood cells. Participants will learn about their structure, production, lifespan, and the role of hemoglobin in gas transport. Test your knowledge on these vital components of the circulatory system.
