10 Questions
What is the approximate lifespan of red blood cells in the human body?
100-120 days
What is the main function of red blood cells in vertebrates?
Transport of oxygen
What gives the red color to red blood cells?
Heme group of hemoglobin
Which vertebrate species do not have red blood cells?
Crocodile icefish
What is the main compound that carries oxygen in muscle cells?
Myoglobin
What is the main function of red blood cells?
Transporting oxygen to body tissues
What is the role of hemoglobin in red blood cells?
Binding and transporting oxygen
What characterizes the structure of human red blood cells?
Flexible biconcave disks
Why do red blood cells lack a cell nucleus and organelles?
To accommodate maximum space for hemoglobin
What gives red blood cells their red color?
Hemoglobin
Test your knowledge about red blood cells (RBCs), their function, and importance in delivering oxygen to body tissues. Learn about their characteristics and role in the circulatory system.
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