which of the following best describes varicose veins? a. veins cannot prevent the backflow of blood. b…

which of the following best describes varicose veins? a. veins cannot prevent the backflow of blood. b. veins lose the ability to transport blood to the heart. c. veins become used for transporting blood to and from the heart. d. veins become less efficient at transferring waste to the blood. please select the best answer from the choices provided. o a o b o c o d
Answer
Brief Explanations:
Varicose veins occur when the valves in veins that are supposed to prevent back - flow of blood malfunction. This causes blood to pool and veins to become enlarged and twisted.
Answer:
A. Veins cannot prevent the backflow of blood.