Which of the following is not a reason for erythrocytes' flattened "doughnut" shape?

A) It allows them to fit together with leukocytes to facilitate the transport of both.
B) It allows the minimum distance for diffusion of gases.
C) It increases the surface area available for gas diffusion.
D) It allows them to "stack" together to pass through small blood vessels more efficiently.
E) It gives them flexibility so that they can pass through the circulation more easily.


A) It allows them to fit together with leukocytes to facilitate the transport of both.

Anatomy & Physiology

You might also like to view...

The main functions of the cardiovascular system include the transport and exchange of respiratory gases, nutrients, and wastes throughout the body

Indicate whether this statement is true or false.

Anatomy & Physiology

The term used to describe an appendage structure that is closest to its point of attachment to the trunk is:

a. distal b. lateral c. superior d. proximal

Anatomy & Physiology

Which does not provide structural support for the uterus?

A. Urogenital diaphragm B. Uterosacral ligament C. Round ligament D. Uterine ligament E. Transverse cervical ligament

Anatomy & Physiology

This figure shows the bones of the ankle and foot. The bone indicated by number 4 is the

A. intermediate cuneiform. B. lateral cuneiform. C. navicular. D. medial cuneiform. E. talus.

Anatomy & Physiology