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

White lipped tree frog, how does reproduction help the white lipped tree fr...

how does reproduction help the white lipped tree frog survive

Explain haloenzyme, Haloenzyme :- A  whole  enzyme,  as a  complete  and...

Haloenzyme :- A  whole  enzyme,  as a  complete  and  functional molecule. Generally, a holoenzyme consists of a polypeptide portion (an apoenzyrne) and at least one cofactor or

Waves, Compare and contrast the characteristics of sound waves and electrom...

Compare and contrast the characteristics of sound waves and electromagnetic

Quiz, I have a vocabulary quiz tommorrow! WHat am I supposed to do

I have a vocabulary quiz tommorrow! WHat am I supposed to do

Digetive, i need an assinment how do i find one

i need an assinment how do i find one

Levels, what would i need to do to achieve a 7C in science , KS3??

what would i need to do to achieve a 7C in science , KS3??

ADVANCEMENT , how communication can bring about advancement in any society....

how communication can bring about advancement in any society..

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

Define the categories of soil structure, Define the categories of Soil stru...

Define the categories of Soil structure Three broad categories of soil structure.   These are:  1)  Single grained, where each particle in a soil functions as an indivi

Explain interferon, Explain Interferon Interferon interferes with virus...

Explain Interferon Interferon interferes with viruses (hence the name) and is produced by most cells in the body. Interferons, like antibodies and complements, are proteins, an

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