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

Nature, What is our responsibility to nature?

What is our responsibility to nature?

Protozoa, Classification of protozoa up to order

Classification of protozoa up to order

Explain saliva - external defence mechanism, Explain Saliva - External Defe...

Explain Saliva - External Defence Mechanism Saliva contains microorganisms which are not the normal inhabitants. Dead microbes are passively flushed by the saliva and are swall

Explain the general examination - examination of urine, Explain the General...

Explain the General examination - Examination of Urine This includes general appearance, volume and specific gravity together with the simple chemical tests for reaction, album

Exploration of resources, Exploration of resources Exploration of re...

Exploration of resources Exploration of resources  involves complex techniques which depend on the physical, chemical and biological properties of a particular resource. Now

Animal diversity, affinities of ctenophora with platyhelminthes

affinities of ctenophora with platyhelminthes

Vaccination, Vaccination: Now  let us see how vaccination protects us...

Vaccination: Now  let us see how vaccination protects us from disease. We have mentioned above that the W.B.Cs.  produce antibodies which neutralise the toxins produced by th

Determine the term - soil moisture, Determine the term - soil moisture ...

Determine the term - soil moisture The higher the soil moisture, the more rapid is the rate of reaction. The quantity of liming material to be applied to raise the soil pH to a

Social science, discuss the importance of society and culture to existence ...

discuss the importance of society and culture to existence of man .

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