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Red Blood Cells (RBCs) Quiz

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Questions and Answers

What is the approximate lifespan of red blood cells in the human body?

100-120 days (correct)

60 seconds

40-45% of body's lifetime

2.4 million seconds

What is the main function of red blood cells in vertebrates?

Storage of carbon dioxide

Production of hemoglobin

Transport of carbon monoxide

Transport of oxygen (correct)

What gives the red color to red blood cells?

Hemoglobin genes

Carbon dioxide

Heme group of hemoglobin (correct)

Oxygen

Which vertebrate species do not have red blood cells?

Crocodile icefish Signup and view all the answers

What is the main compound that carries oxygen in muscle cells?

Myoglobin Signup and view all the answers

What is the main function of red blood cells?

Transporting oxygen to body tissues Signup and view all the answers

What is the role of hemoglobin in red blood cells?

Binding and transporting oxygen Signup and view all the answers

What characterizes the structure of human red blood cells?

Flexible biconcave disks Signup and view all the answers

Why do red blood cells lack a cell nucleus and organelles?

To accommodate maximum space for hemoglobin Signup and view all the answers

What gives red blood cells their red color?

Hemoglobin Signup and view all the answers