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

I was like, Cow tipping?

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.

This tipping business always makes us uneasy.

2004 was the tipping point for us.

So, have you ever been cow tipping?

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.

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

You should greet your betters by tipping your hat.

Now we've got momentum. This is the tipping point.

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.

You'd better remember that tipping is necessary in the USA.

This is actually a heart valve, which we engineered.

This wasn't here this morning ... looks like somebody's been fly tipping.

But the trouble is, it kept on tipping over, but (Laughter)

Minority Rules Scientists Discover Tipping Point for the Spread of Ideas

This path, if continued, guarantees that we will pass tipping points

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

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

Sure, Breen's been tipping him off just to make you look bad.

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

When you go abroad, you'd better keep in mind that tipping is necessary.

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

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

You can see two of the leaflets of the aortic valve working there.

Here you have our tricuspid valve. And I'm gonna label it just as 'T'

I've drawn the pulmonary valve as being open, but is that really the case?

On the starboard side, there's a big valve! Can you crank that boat down?

And it may be that passing the 50 percent urban point is an economic tipping point.

I believe we're at a tipping point where this is now something that we can't avoid.

This is actually a heart valve that we've engineered, and you can see here, we have the structure of the heart valve and we've seeded that with cells, and then we exercise it.

It has a funny tri lobal shape at the bottom, which contains the aortic valve.

Aaron came from a family of three brothers, all extraordinarily bright. ...Oh the box is tipping over...

The un digestive food reaches the Ileo cecal valve and enters the large intestine or colon.

You'll hear S1 when the tricuspid and the mitral valve snap shut. So far so good.

Climate is a profoundly complex, nonlinear system, full of runaway positive feedbacks, hidden thresholds and irrevocable tipping points.