Two of the valves I'm gonna name, I'm giving them new names, something slightly different from what we've been referring to them by. These are the atrioventricular valves.

And then you can see the inside of the heart.

This attempt was made from cell 212.

Is it your cell?

Keep your eye on the valves and we'll talk about them as the blood moves through.

And the blood goes down into the right ventricle. And then, on the other side I'm going to label the last two chambers.

From the body... to the right auricle... to the right ventricle... and out the pulmonary arteries to the lungs.

So let's get started in the upper part of the heart. The Right atrium, It's right there.

You charge another inmate to clean his cell.

Blood flows from the right atrium to the right ventricle, then it goes to the lungs and from the left atrium to the left ventricle.

And it goes down into, you can probably guess how this one is called, is our left ventricle.

There's sort of illegal hustles, like you run a barbershop out of your cell.

So you've already learned that the valves got endocardium.

Living room, parlor, sotheby's auction.

So I'm gonna just take some blue paint to indicate deoxygenated blood or blood without oxygen, I'm gonna paint in how it look.

And that is exactly what we found.

You pay everything in stamps. Those are the currency.

Will you let me know when he's finished?

Back in the late 19th century, the only source of heat in most homes was a big fireplace in the kitchen that was used for cooking and heating.

There were some guests waiting in the drawing room.

Let's start with blood going from the right atrium, this way into the right ventricle.

But now remember that blood is constantly moving through the heart, so in a previous cycle you actually had some blood that's coming back from the lungs and that's what's dumping into the left ventricle.

On the other side you have the mitral valve, which separates the left atrium from the left ventricle.

Just to orientate us this is the tricuspid (T) and this is our mitral (M).

So unlike the CAT scans, X rays, thalliums, for women whose breast is in the way of looking at the heart, every time we order something that has even a small amount of radiation, we say, Do we really need that test?

He looked around the waiting room.

I'm in your waiting room. Didn't you see me when you came in?

I'll make the interview.

Pookums?

After dinner, we all went into the drawing room.

Buildings are becoming bundles of services.

I've spent a lot of time in Finland at the design factory of Aalto University, where the they have a shared shop and shared fab lab, shared quiet spaces, electronics spaces, recreation places.

The wife!

Solitary.

That's my wife.

My wife...

I cleaned a guy's cell for this shirt.

So it's a brutal winter in the Northeast, your kid has asthma, your heat just got turned off, and of course you're in the waiting room of the ER, because the cold air triggered your child's asthma.

He's sitting in the waiting room.

There were five patients in the waiting room.

Five patients were in the waiting room.

There are five patients in the waiting room.

So now there's a living room full of guys.

The blocks of stone were jointed with cement.

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