0
Why do varicose veins develop if a valve is not working properly?
Wiki User
∙ 14y ago
In order to pump the blood back up the legs to the body and heart, there are small, one-way "flapper" valves in the veins that prevent the blood from flowing backwards back down into the legs. These valves help reduce the pressure in the veins and allow the movement of the muscles in the legs to help squeeze the blood upwards. Without the valves, this squeezing is more likely to push the blood down instead of up.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Why do vein have one-way valve?
The one way valve prevent blood seeping backwards (downwards) due to gravity. For instance, if a valve in the leg fails or doesn't work properly, Varicose veins (swollen and enlarged veins) will occur.
Why does power washer stall?
pressure relief valve isn't working properly
Why do veins have one way valves?
The one way valve prevent blood seeping backwards (downwards) due to gravity. For instance, if a valve in the leg fails or doesn't work properly, Varicose veins (swollen and enlarged veins) will occur.
How can you tell if your proportioning valve is not working properly?
The year, make and model info would help.
How effective would the varicose vein valve seem to be in stopping back flow of blood?
Yes. If a valve fails, the blood may pool up and enlarge the vessels into varicose veins . . . usually in the legs.
Toyota Sienna 2004 has no heat?
Have you checked you heater control valve or heater core if working properly.
Why would a 1997 LT1 miss on one cylinder if the spark the injector the compression and valves are working properly?
possible bent, warped, or torched valve - bad valve seat - or worn valve guide
How do you test a 2000 grand prix gt expansion valve?
An automotive expansion valve can be tested by putting it in ice water. The sudden drop in temperature will cause a valve that is working properly to close. If the valve s faulty it will remain open.
What is a hear murmur for puppies?
A heart murmur for puppies is the same as it is for people - a heart valve is not closing properly. A lot of puppies "outgrow" it as their bodies continue to develop.
Why does your Tecumseh lawnmower die when you stop priming the carburetor?
Sounds like the fuel inlet valve is stuck shut, or the float isn't working properly.
1992 Mercedes Benz 190 e 2.3 ltr will not start when it is cold?
Make sure the cold start valve is working properly and not seized up.
What is valve class?
class of valve means standardization of the valve . For different working pressure and working field different class of valve required. A.k. Bora
