There's so many variations within tap dance, as many approaches as there have been tap dancers.

Considered the quintessential tap dancer,

Noninvasive ventilation may be used to support breathing.

To breathe?

Tap dance one of America's major contributions to the world of percussive dance,

It's the balancing of these elements that is a tap dancer's craft work.

It was like breathing.

All these factors pushed tap dancing to the fringes of the entertainment world.

The patient is put on a ventilator to assist breathing.

Tap dance still existed there were dancers, but it was outside of the popular discourse.

Breathing techniques for the Heimlich maneuver...

Breathe into the mouth...

And breathability is good.

I can't keep my breath.

I want to breathe quietly again.

It's a little hard to breathe.

I cannot breathe.

A breath that's fossilized now as iron.

Can't even breathe!

Uhh, check for breathing.

I could barely breathe.

It's as old as breathing.

No, I can't breathe.

Lying is like breathing to you.

It's just pure mechanics, allowing you to cycle air through this breathing loop.

It is a form of hyperventilation, which is any breathing pattern that reduces carbon dioxide in the blood due to increased rate or depth of respiration.

Since its birth, over 125 years ago, tap dance has grown up in the world of American popular entertainment.

From minstral shows and vaudeville, to night clubs, musical theater, and movie musicals, tap dance has held a featured role.

So that's the breathing loop in a nutshell.

Ah, he's breathing now.

I can breathe, I'm living

The breathing is about oxygenation.

That's the breathing loop in a nutshell.

And then cellular respiration occurs.

Do you not see that I am out of breath?

She could no longer breathe for herself.

They put her on a ventilator.

Purging is basically hyperventilating.

Yeah, I just, um... feel like I can breathe again.

Hard to breathe, the air is so heavy.

He can't breathe, either.

Even a convict's got a right to breathe.

Symptoms accumulate over several months and include fever, cough, breathlessness, wheezing, and weight loss.

JULlET How art thou out of breath, when thou hast breath To say to me that thou art out of breath?

There are three basic systems to a closed circuit rebreather.