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

Explain non-specific defence mechanism, Non-Specific Defence Mechanism ...

Non-Specific Defence Mechanism The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the e

Explain the term- lichens, Explain the term- lichens The lichens are a...

Explain the term- lichens The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take p

Earth''s Moon , how are the size and mass different from earth ?

how are the size and mass different from earth ?

Blood - abnormal constituent of urine, Blood - Abnormal Constituent of Urin...

Blood - Abnormal Constituent of Urine In acute inflammation and trauma, blood may be present in the urine. This condition is known as haematuria. Blood may be present in cancer

How are atoms put together-structure of atoms , Structure of Atoms Eleme...

Structure of Atoms Elements are pure substances. Elements are composed of a single kind of atom, as opposed to compounds which contain two or more kinds of atoms (see lesson 5).

Explain the conditions for ventricular fibrillation, Explain the Conditions...

Explain the Conditions for Ventricular Fibrillation Ventricular fibrillation may be seen in the following two conditions: 1) When a person is electrocuted, and 2)  As a c

Explain dacrocystography, Question 1. Why magnification technique is us...

Question 1. Why magnification technique is used in radiography? How it is performed? 2. Explain Dacrocystography. 3. Discuss the pre requisites for fluoroscopic study of

Explain iinmunoglobulin e - classification of antibodies, Explain Iinmunogl...

Explain Iinmunoglobulin E - classification of antibodies Protects against organisms which escaped IgA, major deference against helminthes, mediates allergy. On coming in contac

Earths magnetism, what is the cause of earth''s magnetism?

what is the cause of earth''s magnetism?

Mechanics in iron age, Mechanics: Another hnch  of  science which is, p...

Mechanics: Another hnch  of  science which is, perhaps, the greatest contribution of Greek civilisation is mechanics. Mechanics developed out of  the necessities of  imgation,

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