RBCs are ___________ in shape so that they could easily flow through the all types of blood vessels.
A
biconcave
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B
long
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C
spherical
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D
irregular
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Solution
The correct option is A biconcave Red blood cells or RBCs are components of blood and flow through all the blood vessels in our body. The biconcave disk-like shape of red blood cells allows the cells to flow through all blood vessels like arteries, veins and capillaries.