Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

What is the shape of unstressed human red blood cells?
Options
A Spherical
B Biconcave disc
Correct Answer
C Cylindrical
D Irregular
Correct Answer

Option B is the correct answer.

Detailed Explanation

Unstressed human red blood cells are biconcave discs with a long axis of approximately 8 μm and a thickness of 2 μm. This shape maximizes surface area for gas exchange.

Hint

This shape is concave on both sides.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1865 of 2214
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