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

Chemical reactivity, Chemical reactivity : The substances which react viol...

Chemical reactivity : The substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert them into nonreactive form be

Explain maintaining the ph balance, Explain maintaining the pH Balance ...

Explain maintaining the pH Balance You must be aware of the term pH. PH we know provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 i

Procuring and storing animal materials, Procuring and storing animal materi...

Procuring and storing animal materials (i) You can begin by asking for a clarification or reaching a common understanding regarding the oft-used terminology, for instance, anim

Pixel puzzle: why video game characters look better today, how do i draw ma...

how do i draw mario at two different resolutions: 32 by 32 pixels, and 8 by 8 pixels.

Atomic energy, Atomic energy: In view of the fast depletion of our no...

Atomic energy: In view of the fast depletion of our non-renewable resources like coal and petroleum, and because of pollution which power stations burning coal cause, there h

Explain cell - the basic unit of life, Explain Cell - The Basic Unit of Lif...

Explain Cell - The Basic Unit of Life You must be aware of the fact that the cell is the basic unit of life. What do you understand by the term 'cell'? What are the components

Define growth hormone (gh), Define Growth Hormone (GH) It is a protein ...

Define Growth Hormone (GH) It is a protein containing 19lamino acids in a single chain. It is secreted by somatotrophs throughout life even though growth stops at adolescence.

Define the electrolytes in urine, Define the Electrolytes in Urine Elec...

Define the Electrolytes in Urine Electrolytes: Estimation of urine chloride, sodium, potassium is of significant importance when the electrolyte balance is disturbed.

Mastigophora, What are 6 characteristics of mastigophora

What are 6 characteristics of mastigophora

Emergence of science, Emergence of Science: We gave you a glimpse of ...

Emergence of Science: We gave you a glimpse of  the social structure in  India during the Iron Age. With the emergence of ordered urban societies, the stage was set for a tre

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