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

Science, hi can you help me on my science

hi can you help me on my science

Biological evolution, Biological evolution We can presume that biologic...

Biological evolution We can presume that biological evolution began with the formation  of  the first true cells. These must have been  forms that did not require free  oxygen

Explain monocytes - types of white blood cells, Explain Monocytes - Types o...

Explain Monocytes - Types of White Blood Cells They are motile and occasionally show phagocytic activity. They form only 5% of leukocytes, capable of providing more phagocytic

Define the categories of soil structure, Define the categories of Soil stru...

Define the categories of Soil structure Three broad categories of soil structure.   These are:  1)  Single grained, where each particle in a soil functions as an indivi

Electricity, positive energy power full or negetiveenergy

positive energy power full or negetiveenergy

Scientific chemistry used in arab, Scientific Chemistry:  The Arab doct...

Scientific Chemistry:  The Arab doctors, perfumers and metallurgists made their greatest contribution  in chemistry. This was mainly due to the fact that Arab scholars, unlike

Levels of orgnization, ehat is protoplasm and other levels of organization

ehat is protoplasm and other levels of organization

Write a short note on ozone in the atmosphere, Question: a) How does te...

Question: a) How does temperature changes in the stratosphere? Give a physical explanation and illustrate your answer using a diagram. b) Write a short note on ozone in the

Diabetes mellitus, life style modification in management of diabetes?

life style modification in management of diabetes?

Discuss about the life on earth, Discuss about the life on earth We can...

Discuss about the life on earth We can say that all life on Earth is locked in the minerals and by weathering nutrients important to life are made available. Even life in the s

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