How the lungs work, Science

Assignment Help:

How the lungs work

Cut the bottom off a large bottle. Fit a cork to the neck with a Y tube in it. On every of the lower limbs of the Y tie a rubber balloon or a number of small bladder.

Tie a sheet of brown paper or sheet rubber round the bottom of the jar, with a piece of String knotted by a hole and sealed with wax. Pulling this string lowers the diaphragm and air enters the neck of the Y piece causing the balloons to dilate.

Pressing the diaphragm upwards has the opposite effect.

1303_how lungs works.png


Related Discussions:- How the lungs work

Explain the phagocytosis, Explain the Phagocytosis Phagocytosis include...

Explain the Phagocytosis Phagocytosis includes the ingestion of particulate material including complete pathogenic microorganisms. The plasma membrane expands around the partic

Solutions, what is the unsaturated

what is the unsaturated

Explain the radioactive red blood cells, Explain the Radioactive Red Blood ...

Explain the Radioactive Red Blood Cells In order to make red blood cells radioactive, tagging of red blood cells with radioactive chromium ( 51 cr) is done. A small quantity of

Media and distance education, Media and Distance Education: The role of...

Media and Distance Education: The role of media in distance education needs a specific mention. It is impIied that teaching is done  from a dbtance. It is also understood that

To show the impact of a raindrop on soil, To show the impact of a raindrop ...

To show the impact of a raindrop on soil Place a saucer or jar lid filled with soil on a piece of white paper. Fill a medicine dropper with water and hold it about a metre abov

Help, physical features of arizona

physical features of arizona

Define colorimetric method for the estimation of phosphorous, Define Colori...

Define Colorimetric Method for the Estimation of Phosphorous Estimation of phosphorous is based upon the principle of colorimetry. Many methods for quantitative analysis are ba

Introduction to fire hazards, INTRODUCTION : In the first unit of this blo...

INTRODUCTION : In the first unit of this block you read about hazards due to electricity and gases in the science laboratories. 'The second unit deals with yet another type of com

Release of energy, Release of Energy : When the atom splits, the masses ...

Release of Energy : When the atom splits, the masses of the fragments and the neutrons produced do not add up to the mass of the original. A tiny amount of matter disappears. Th

Lab help, Which type of ripple marks would you expect to find on the floor ...

Which type of ripple marks would you expect to find on the floor of a standing body of waterion..

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd