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

Working memory index, Mr. X's Working Memory Index (WMI) is interpretable; ...

Mr. X's Working Memory Index (WMI) is interpretable; the components do not vary significantly, so his WMI score can be interpreted as a single construct. WMI includes three tasks.

Kangaroo, i wants to know about kangaroo because my teacher give me an assi...

i wants to know about kangaroo because my teacher give me an assignment so for that i wants to know everything about kangaroo

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

Objectives for stock verification and maintenance , Objectives : After com...

Objectives : After completing this exercise you should be able to check the stock register, 1. verify the physical presence of articles present in the lab as per the stock regi

Explain cholecystokinin - movements of gall bladder, Explain Cholecystokini...

Explain Cholecystokinin - Movements of Gall Bladder Cholecystokinin: Active contraction of gall bladder during digestion is due to the hormone cholecystokinin. Acid extracts o

Oxidising substances , Oxidising Substances : It includes oxidising substa...

Oxidising Substances : It includes oxidising substances and the organic peroxides. Oxidising substances are by themselves not combustible but by feeding oxygen to other substances

In what conditions an element is called an essential element, Under what co...

Under what conditions an element is called an essential element?   An element is called as an essential element, if:   a.  The plant can not complete its life cycle without it

Physical Science, If more of substance b dissolves b has a higher what than...

If more of substance b dissolves b has a higher what than substance a

Explain proximal convoluted tubule - structures of a nephron, Explain the P...

Explain the Proximal Convoluted Tubule - Structures of a Nephron Proximal Convoluted Tubule or proximal tubule (PCT): The proximal tubule is the most proximal part of the renal

Nutrients, difference between micro and macro nutrients

difference between micro and macro nutrients

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