Question

if the valves in veins of the legs fail to stop flow of blood what could be the consequences of this failure

Answer 1

valves in veins prevent the backflow of blood. if they fail to stop the blood, the deoxygenated blood wont be transferred to the heart, from where it will be sent to the hearts for purification. this situation will stop the functioning of various organs as they wont get oxygenated blood

Answer 2

ANSWER :

If the veins present in the legs gets failed to stop the blood flowing, then the following situations may occur -

1. The veins of the leg will be dilated. And due to this the person may suffer twists in his or her leg.

2. The person may also suffer from problems of skin.

3. After a long time, ulcer may also occur.

4. There will be severe pain in the leg.