So this valve is called the Tricuspid valve.

And it passed through the valve here. So this valve is called the Mitral valve.

Civil Horizontal Valve

One will be the tricuspid valve and the other the mitral valve.

But before it goes it has to passed another valve. So this is a valve right here. Call it Pulmonary valve.

The main valve is turned off.

Here you've got the aortic valve.

This is called a cycle valve tube.

Up here you have the pulmonary valve.

And then the final valve, I need to find a nice spot to write it maybe to right here, this final valve that passes through is called the Aortic valve.

Line In

You can see how the pulmonary and aortic valve are closed when the mitral and tricuspid valve are open.

Can I borrow a heart valve from you?

And this is how you make a valve.

It's gonna go back perhaps through the mitral valve, it can go there, or it might go through the tricuspid valve.

Reflect in Line

DOR's in line.

This is actually a heart valve, which we engineered.

Don't cut in line.

Wait in line, please.

Tom stood in line.

Reflect in this line

I welded the breech, but the valve is still gaping.

Does the color of the valve matter? What matters here?

Which line should I get in? Any line is fine.

Let's watch. (Sound of air escaping from valve) (Music) (Whirring sound)

Tom is last in line.

She is first in line.

What line is he in?

Each line in all colours

line in the xy plane.

Line up everybody. Line up. Line up.

And this valve and all valves in the heart are basically there to keep blood moving in the right direction.

The police had all the prostitutes line up in a straight line.

Open the air inlet valve to supply compressed air to the machine

And the way you engineer this heart valve is the same strategy.

Please line up in a row.

He is in the banking line.

The shoppers stood in a line.

I am in the grocery line.

Poetry is not in his line.

Many people were waiting in line.

Exercise is not in my line.

Cards are not in my line.

Please keep my place in line.