How much do you know about erythrocytes as the "histologic ruler"?

To give the impression of rigidity and inelasticity

To pass easily through narrow capillaries

To estimate the size of other cells and structures (correct)

To appear as a dense, finely granular material

11-12 m

7-8 m (correct)

9-10 m

5-6 m

Biconcave and flexible

Round and smooth

Dense and granular (correct)

Transparent and irregular