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

Political role of communication, Political role of communication Commun...

Political role of communication Communication has an Important role in political  and social awakening. During our freedomstruggle,  the leaders communicated with the people di

Explain the normal constituents of urine, Explain the Normal Constituents o...

Explain the Normal Constituents of Urine The normal constituents of urine are of two types. These are the organic substances and the inorganic substances as listed Organic

Critique of articles on VTE, Due Date: May 15, 2016 23:59:59 Max Poin...

Due Date: May 15, 2016 23:59:59 Max Points: 150 Details: Prepare a critical analysis of a qualitative study focusing on the problem statement, study purpose, research questi

Explain gut secretions - external defence mechanism, Explain Gut secretions...

Explain Gut secretions - External Defence Mechanism From the saliva and respiratory tract, bacteria reach the gut, here they are killed by the hydrochloric acid and proteolytic

Bdp, describe the factors which decide the broad area of scientific activit...

describe the factors which decide the broad area of scientific activity?

Why are nematodes agriculturally very important, Why are nematodes agricult...

Why are nematodes agriculturally very important? Nematodes are the abundant soil microfauna.  Being predatory and saprophytic in nature they cause a loss of vigour of the root

AQA Additional Science, Whats an easy way to work out force, mass and accel...

Whats an easy way to work out force, mass and acceleration

Test for studying suitable chemical treatment, Test for studying suitable c...

Test for studying suitable chemical treatment for changing the chemical nature of iodine Reactivity of iodine is tested with 1.  Water and, 2.  Sodium thiosulphate soluti

Objectives safe disposal methods of biological materials, Objectives Af...

Objectives After completing this exercise you will be able to: 1. Sterilize and dispose off microbial cultures, 2. Dispose off the carcass of laboratory animals and the e

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