Question Detail

BIO 102 Mechanisms of Animal Respiration and Circulation Objective Question

Question

What is the typical shape of a normal human erythrocyte?
Options
A Spherical
B Biconcave disc
Correct Answer
C Sickle-shaped
D Star-shaped
Correct Answer

Option B is the correct answer.

Detailed Explanation

Normal human red blood cells are biconcave discs, which helps them change shape to pass through capillaries.

Hint

It looks like a donut with a thin center instead of a hole.

Question Info