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

What are waves, what is the example of compressional wave

what is the example of compressional wave

Fossil, Describe the typical conditions neccessary for fossil formation

Describe the typical conditions neccessary for fossil formation

Explain the urinary bladder, Explain the Urinary Bladder The urinary bl...

Explain the Urinary Bladder The urinary bladder is a sac, which acts as a reservoir for urine. You would realize that the size and position of the urinary bladder varies depend

Explain the serum creatinine test, Explain the Serum Creatinine Test Cr...

Explain the Serum Creatinine Test Creatinine is a breakdown product of creatine, an important component of muscle. A serum creatinine test measures the amount of creatinine in

Protozoa, whats the whole profile for the protozoa fossil

whats the whole profile for the protozoa fossil

A weather house, A weather house Changes in the amount of water vapour ...

A weather house Changes in the amount of water vapour are in the atmosphere can be indicated by variation in tension in a few strands of human hair or by using the hygroscopic

Plant cells, what is the plant cells roll?

what is the plant cells roll?

Some features of the forests, Some Features of  the Forests: Forests...

Some Features of  the Forests: Forests are the most widespread  stretches of vegetation, harbouring diverse kinds of life forms. They are dominated by trees. Besides trees, f

The temperature of water in oceanic depths, What is the general statement ...

What is the general statement regarding the temperature of water in oceanic depths? Commonly, the relation is this - the further from the surface the colder the water. This

Mars, Mars- the  Red  Planet   After Venus, Mars  is our closest neighbo...

Mars- the  Red  Planet   After Venus, Mars  is our closest neighbour. It seems very earth-like. There are ice-caps on its poles, drifting white clouds and raging dust storms in

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