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

Nuclear reactor, Nuclear Reactor: Nuclear fission can be maintaned as...

Nuclear Reactor: Nuclear fission can be maintaned as a controlled cjiain reaction in a nuclear reactor to produce  energy. Fermi had found from experiment  that slower moving

#titlefactors which decide the broad area of scientic acti.., factors which...

factors which decide the broad area of scientic activity

Fibre optics, Fibre optics: The songs you hear on your transistor, or t...

Fibre optics: The songs you hear on your transistor, or the pictures you  see on your TV are canied from the studios to your home on radiowaves. Telephone calls you make, on th

How is the parathyroid hormone secretion regulated, How is the parathyroid ...

How is the parathyroid hormone secretion regulated? It is simple. An increase in parathyroid hormone causes an increase in calcium absorption from the intestine and renal tubul

Broad area of scientific activity, describe the factors which decide the br...

describe the factors which decide the broad area of scientific activity

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

Why rainfall is imprtant factor in active soil formation, Why Rainfall is i...

Why Rainfall is imprtant factor in active soil formation Of the various climatic elements that take part in active soil formation, rainfall or precipitation is the most importa

Explain cytoplasmic vacuoles, Explain Cytoplasmic Vacuoles Figure illu...

Explain Cytoplasmic Vacuoles Figure illustrates the structure of vacuoles. These are the voids in the cytoplasm which store small molecules such as water, ions, sucrose and am

State the chemical and physical processes of weathering, State the Chemical...

State the Chemical and Physical processes of weathering The chemical and physical processes of weathering aid each other. A rock mechanically broken into smaller pieces exposes

Experiment of a hair hygrometer, A hair hygrometer This device will ena...

A hair hygrometer This device will enable you to read the relative humidity directly without the use of tables. Procure a few human hairs about 30 cm long. Free them from gr

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