0
What are ring like valves that keep body tubes closed off until it is appropriate to open for a moment?
Two of them are the pyloric valve, which opens and closes to let the contents of the stomach enter the small intestine, and the sphincter valve which opens to let the contents of the sigmoid colon move to the "outside world".
Actually, "sphincter" is the general word for any such muscular ringlike valve.
What else can I help you with?
What are the different types of valves used in bike inner tubes?
The different types of valves used in bike inner tubes are Presta valves and Schrader valves. Presta valves are slender and have a lock nut at the top, while Schrader valves are wider and similar to those found on car tires.
What are the various parts of an trumpet?
mouthpiece, valves, spit valves, slides, tubes and bell
What are the different types of valves used in bicycle inner tubes?
The different types of valves used in bicycle inner tubes are Presta valves and Schrader valves. Presta valves are thinner and require a special pump, while Schrader valves are similar to those found on car tires and can be inflated with a regular pump.
Muscles that encircle tubes and act as valves are called?
sphincters
What are the Components of first generation of computers?
vaccum tubes and valves.
What was the role of the colossus valves?
the first electronic computers were built before the invention of the transistor or integrated circuit chip. They used vacuum tubes for the processing and temporary memory. In Britain those tubes were called valves.
What was the role of the valves in Colossus?
the first electronic computers were built before the invention of the transistor or integrated circuit chip. They used vacuum tubes for the processing and temporary memory. In Britain those tubes were called valves.
Why did the Colossus computer need valves?
the first electronic computers were built before the invention of the transistor or integrated circuit chip. They used vacuum tubes for the processing and temporary memory. In Britain those tubes were called valves.
When is the appropriate time to change amp tubes?
The appropriate time to change amp tubes is when they start to lose their tone quality or when they begin to fail, which can vary depending on usage and maintenance.
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.
What is the of circulatory system where the blood stays in the tubes?
Closed circulatory system.
What type of bike valves are compatible with my bicycle?
There are two main types of bike valves that are commonly used: Presta valves and Schrader valves. It is important to check which type of valve your bicycle has before purchasing new inner tubes or accessories to ensure compatibility.
