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

Scientific activities, describe the factors which decide the broad area of ...

describe the factors which decide the broad area of scientific activity

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

Concentrations of solutions, if 120g of a 6% sucrose solution are needed, w...

if 120g of a 6% sucrose solution are needed, what mass of sucrose is required to prepare the solution?

The water will not run through the cloth, The water will not run through th...

The water will not run through the cloth Choose a glass jar and a piece of cloth from an old sheet or handkerchief. Fill the jar with water. Wet the cloth well, stretch it over

Elevation over the northern horizon, Locate Polaris, the North star, and co...

Locate Polaris, the North star, and comment on it's elevation over the Northern horizon.  Using the keyboard controls (J, K and L keys), fast forward the program 6 - 12 hours and c

The property of cleavage, Which  minerals best illustrates the property of ...

Which  minerals best illustrates the property of cleavage: Mica

Organs, what are the organs of respiration in the lower form of animals?

what are the organs of respiration in the lower form of animals?

Explain the hyperpnoea, Explain the Hyperpnoea It is a term for an incr...

Explain the Hyperpnoea It is a term for an increase in the rate and depth of respiration. The cause of hyperpnoea may be voluntary or due to impulses from the hypothalamus.

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