Question : How big are red blood cells in diameter?
Option 1: 7.5 μm
Option 2: 2.0 μm
Option 3: 4.0 μm
Option 4: 40.0 μm
Answer (1)
14th Jan, 2024
Correct Answer: 7.5 μm
Solution : The correct answer is 7.5 μm.
The red blood cells are approximately 7.5 μm in diameter. Red blood cells are formed in bone marrow, and they typically have a life of around 120 days. The primary function of RBCs is to carry oxygen from the lungs and deliver it throughout our body. Red blood cells are also known as erythrocytes.
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