Biology

The reason why the flow of blood through the capillaries is very slow is

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: Option D
Explanation