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 the emergency contraceptive pill (ecp) method, Explain the Emergenc...

Explain the Emergency Contraceptive Pill (ECP) method The ECP method or "morning after pill" uses a high dose of combined oral contraceptives (OCs) to prevent conception. The O

Preparation of a list of missingisurplusi non functional , PREPARATION OF ...

PREPARATION OF A LIST OF MISSINGISURPLUSI NON FUNCTIONAL ITEMS After the second activity you will enter into Activity 3 i.e. verification of the stock leading to preparat

Dietary requirement during fever and infection, Dietary Requirement during ...

Dietary Requirement during Fever and Infection: During fever, there is a break down of tissue proteins, and water and salts are  lost. The BMR increases with the rise of ever

Explain the anterior pituitary, Explain the Anterior Pituitary The ante...

Explain the Anterior Pituitary The anterior pituitary gland or adenohypophysis consists of three types of cells - acidophils, basophils and chromophores according to their stai

Homogenious, what does homogenious mean?

what does homogenious mean?

Sociology considered as a scientific discipline, Question: "Sociology Consi...

Question: "Sociology Considered as a Scientific Discipline" Discuss the this statement with the relevant Examples Answer Sociology is the systematic study of Society. Soci

Neanderthals, Neanderthals: These were the first human like fossils fo...

Neanderthals: These were the first human like fossils found. The Neanderthals  existed  throughout western Europe and across into the near east and central Asia from about  10

Explain extrasystole and compensatory pause, Explain Extrasystole and Compe...

Explain Extrasystole and Compensatory Pause During the relaxation period, cardiac muscle is in the relative refractory period i.e. sleeping but only just. If a sufficiently st

Verification of stock items , VERIFICATION OF STOCK ITEMS : Now you know t...

VERIFICATION OF STOCK ITEMS : Now you know that a stock register is the key for the verification of all the items purchased from time to time. Let us now perform the second activi

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