Question

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A. What is the shape of red blood cells of humans?
It is the living substance of cell called ? is sperical is wright ans​

Answer 1

Answer:

red blood cells are oval shaped.

the living substance of the cell is called protoplasm.

Answer 2

Answer:

The shape of the human red blood cell known to be a biconcave disc.

Explanation:

The shape of the human red blood cell is known to be a biconcave disc.