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Venal bloodflow is at relatively low pressure, relative to that of the arteries. Because of this, there is always the risk of blood flowing in the opposite direction. This is where valves come in - they prevent the backflow of blood in the veins.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoThe valves in your body prevents from returning blood flow.
Wiki User
∙ 10y agoWiki User
∙ 13y agoit prevent to out flow of blood
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How does a bicycle tube valve work?
Bicycle tube valves are one-way valves. They let air pass one way, then holds it in.
How does a 4 way pneumatic valve work?
Moduflex dual valve combines two, 4-way valves into one valve body, it features two independently operated valves in the Size 1 valve body. :)
How does computing valve work?
Just like the valves used in valve stereo equipment or old radios. Except in computers (like the transistors in modern computers) valves are usually driven fully into saturation and cutoff, while in a valve stereo or old radio valves are usually operated as linear amplifiers with minimal distortion.
Why isn't the drain valve in the orbit misting system not misting?
Drain valves are not designed to mist. They are designed to evacuate liquid that is still in the line after the water is turned off. A manufacturer in Arizona (AmFog Nozzle Technologies) has information on their website for drain valves and misting nozzles; their YouTube videos also explain how the drain valves and misting nozzles work.
How many valves are available in machines?
they have two - four valves
How did the Colossus get it to work?
using valves
How did they get colossus to work?
using valves
How did they get the computer to work?
using valves
When valves of veins do not function properlythey are referred to as competent valves?
They would be considered incompetent valves because they are not working properly. You need all the vein valves to work properly for maximum functioning.
What is the work of valves?
Valves - allow fluids or gases to only flow in one direction. They're control devices.
What valves work with catalytic converter?
exhoust vave
Will Slide oil work on valves?
It will go in the valves but it's not good for your Trumpet..
Do veins have valves and arteries don't?
veins have valves because they bring blood from the bottom half of your body and valves stop the back flow of blood since the veins work against gravity.
How does a bicycle tube valve work?
Bicycle tube valves are one-way valves. They let air pass one way, then holds it in.
How do sloan toilet flush valves work?
The link below will answer all questions.
Do pig and human valves work the same?
Yes, they do. They are exactly the same. The pig heart valves will last about 15 years. Sometime cows are used for these xenotransplants.
How do the valves work?
You'll need to be more specific, since valves are used in many different applications. What type valves are you posting your inquiry? Since the topic is under "new electrical work", one might assume that you are asking about electrically operated valves or valves with position sensors, or you may be asking about the old "vacuum tubes", which in much of the world are referred to as "valves". Answering all of those questions would end up being a dissertation, and probably more than would be appropriate for Answers.com The valves of the heart prevent the blood that is pumped out from flowing back to the heart or backward in veins.
