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

Determine the quantity of leachate that generated each year, 1. If the land...

1. If the landfill had a compacted density of 600 Kg/m3 a refuse  depth of 9 m (29.5 ft), a moisture content of 20% by volume, and a 1-m  (3.25-ft)-thick clay cover with a 2% slope

Explain passive transport - mechanism of urine formation, Explain Passive t...

Explain Passive transport or diffusion - Mechanism of Urine Formation Passive transport or diffusion: Diffusion means the random movement of particles in a fluid. The movement

What is the important role of vitamin k, What is the important role of Vita...

What is the important role of Vitamin K Vitamin K , as you may already know, is a fat-soluble vitamin that plays an  important role  in  blood  clotting. It was  first observe

Water-mill in golden era, Water-mill in Golden era: The water-mills wer...

Water-mill in Golden era: The water-mills were also invented in  the classical period. But they came to be widely used only in  the Middle Ages. The wind-mills and water-mills

A wet and dry bulb hygrometer, A wet and dry bulb hygrometer  Get two i...

A wet and dry bulb hygrometer  Get two inexpensive thermometers, and check them in warm water at dissimilar temperatures to see that they agree. Join the two thermometers to a

Explain scurvy, Scurvy  Disease occurs due to vitamin C deficiency.

Scurvy  Disease occurs due to vitamin C deficiency.

Explain the role of secretin, Explain the Role of secretin Secretin is ...

Explain the Role of secretin Secretin is a polypeptide containing 27 amino acids. It is present in the mucosa of the upper small intestine in an inactive form prosecretin. When

Anthropological evidence, Anthropological Evidence Modern humans aros...

Anthropological Evidence Modern humans arose at a time when the Earth was going through a very cold and icy period called the Ice Age, which began about 75,000 years ago and

Derive an expression for the natural frequency - beam mass, The simply-supp...

The simply-supported uniform beam shown in the ?gure below supports a mass m at a distance aL from the left support. Assume that the beam is relatively mass-less compared to the ma

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