Biology for IGCSE & O level - Transport In Animals (Section 5 - No. 7)
What is the role of the red blood cell's shape?
To facilitate blood clotting.
To increase the surface area for oxygen absorption.
To help in the production of antibodies.
To provide structural support to the blood vessels.
Explanation
The disc-shaped red blood cells have a larger surface area, which helps with oxygen absorption.
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