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

Define the non-excretory functions of kidney, Define the Non-Excretory Func...

Define the Non-Excretory Functions of Kidney Though the major contribution of the kidneys, as you have learnt so far, is to form urine and to maintain the constancy of internal

What is protein, Explain Protein  Protein  is  derived  from  a  Greek...

Explain Protein  Protein  is  derived  from  a  Greek word  "PROTOS"  which  means  "Pre eminent", "jht or foremost"  or  primary matter.  This  name was  suggested  by  Berzi

Observing the phases of the moon, Observing the phases of the moon Over...

Observing the phases of the moon Over the time of a lunar month have the children make nightly observations and illustrate drawings of the moon. Start at new moon and continue

Explain endoenzyme, Endoenzyme An  enzyme which  is not  secreted or ex...

Endoenzyme An  enzyme which  is not  secreted or exported out of the cell, but is kept and used by the cell which made it.

Explain saponification, Saponification :- Fats when  boiled with  alcoh...

Saponification :- Fats when  boiled with  alcoholic solution of NaOH or KOH undergo hydrolysis into glycerol  and  fatty acids  and  the  latter  form  soaps with Na or K. The

why does a glacier move, Why does a glacier move? It moves due to the...

Why does a glacier move? It moves due to the huge pressure of the ice and snow lowers the freezing point of its lower layers, causing by to melt.

Explain oxidation of fatty acids, Explain Oxidation of Fatty Acids ? F...

Explain Oxidation of Fatty Acids ? Fatty acids released from chylomicrons and VLDL are transferred across cell membranes by passive diffusion, which depends upon the concentra

HELP, Can you please explain gas exchange to me

Can you please explain gas exchange to me

The effect of rain on sloping soil, The effect of rain on sloping soil ...

The effect of rain on sloping soil Fill a shallow pan or box with firmly packed soil. Set the pan outside in the rain with one end increased slightly. Observe how the raindrops

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