The reason why the flow of blood through the capillaries is very slow is
BIOLOGY
WAEC 2009
The reason why the flow of blood through the capillaries is very slow is
- A. because the walls of capillaries are very thin
- B. to avoid high blood pressure
- C. to ensure that the individual does not get dizzy
- D. to allow adequate time for exchange of materials
Correct Answer: D. to allow adequate time for exchange of materials
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