Question

How does the shape of RBCs contribute to their ability to exchange gases and move to blood vessels ?


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Answer 1

Answer:

Their flexible disc shape helps to increase the surface area-to-volume ratio of these extremely small cells. This enables oxygen and carbon dioxide to diffuse across the red blood cell's plasma membrane more readily. ... This iron-containing molecule binds oxygen as oxygen molecules enter blood vessels in the lungs.

Answer 2

Answer:

Their flexible disc shape helps to increase the surface area-to-volume ratio of these extremely small cells. This enables oxygen and carbon dioxide to diffuse across the red blood cell's plasma membrane more readily. ... This iron-containing molecule binds oxygen as oxygen molecules enter blood vessels in the lungs