The small size and biconcave shape of this cell gives it flexibility and allows its easy passage through small channels. It is a .
A) smooth muscle cell
B) simple squamous epithelial cell
C) sperm cell
D) red blood cell

Question

Quizplus · Accepted Answer

The small size and biconcave shape are characteristic features of red blood cells (erythrocytes), which enhance their flexibility and allow them to pass easily through the narrow capillaries in the circulatory system. This shape also maximizes their surface area for the efficient exchange of oxygen and carbon dioxide.

The Small Size and Biconcave Shape of This Cell Gives