What role do red blood cells play in the human body? A. They protect against injury.
B. They protect against disease-carrying microorganisms.
C. They transport oxygen throughout the body.
D. They aid in blood clotting.
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What role do red blood cells play in the human body? A. They protect against injury.
B. They protect against disease-carrying microorganisms.
C. They transport oxygen throughout the body.
D. They aid in blood clotting.
The correct answer is C. They transport oxygen throughout the body.
Red blood cells (RBCs), also known as erythrocytes, play a crucial role in the human body by carrying oxygen from the lungs to the tissues and organs. They contain hemoglobin, a protein that binds to oxygen, allowing for efficient oxygen delivery. This function is vital for energy production and overall cellular metabolism.