T

Sectional view

Figure 14.4

(a) Note the biconcave shape of a red blood cell. (b) Scanning electron micrograph of human red blood cells (falsely colored) (7,500x).

Figure 14.4

(a) Note the biconcave shape of a red blood cell. (b) Scanning electron micrograph of human red blood cells (falsely colored) (7,500x).

U Describe a red blood cell.

^9 How does the biconcave shape of a red blood cell make possible its function?

^9 What is the function of hemoglobin?

Q How does a red blood cell change as it matures?

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