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

Zoology, I need help with a few homework questions...We had a substitute, a...

I need help with a few homework questions...We had a substitute, and I didn''t get the chance to finish reading the chapter.

Precautionary measures against ionising radiations , Precautionary Measures...

Precautionary Measures Against Ionising Radiations The following guidelines are suggested for experiments using low activity radioactive materials: (1) Avoid skin contact

Motion in one dimension, what is the speed and velocity of a car that trave...

what is the speed and velocity of a car that travels 32 meters to the east and 12 meters in the same direction? the total time of travel in 3.0 seconds

Magma that reached the earths surface, Magma that reached the Earths surfac...

Magma that reached the Earths surface is known as: Lava

What do you mean by suffix, Question 1. What do you mean by suffix? Wr...

Question 1. What do you mean by suffix? Write the types of suffix giving two examples for each type. 2. Punctuate the following: If youre able to appeal to listeners and

Explain the functions of glucocorticoids, Explain the Functions of Glucocor...

Explain the Functions of Glucocorticoids Cortisol, cortisone and hydrocortisone are the names given to the glucocorticoids. What is their function in our body? They play a majo

The human body, how many nerves in the human brain and how many in a dogs b...

how many nerves in the human brain and how many in a dogs brain

What is database lock, Question 1 Database design plays important role in ...

Question 1 Database design plays important role in success of CDM. Justify Question 2 What is Clinical data coding? Why coding is required in CDM? Question 3 List

State the process of liming, State the process of Liming ·  Affects th...

State the process of Liming ·  Affects the solubility  and availability of most of the plant nutrients and  raises the level of exchangeable base status of calcium and magnesi

Describe wet bulb thermometer, Question: a) Describe wet bulb thermomet...

Question: a) Describe wet bulb thermometer and wet bulb temperature. b) What happens to the volume of a rising parcel of air and of a sinking parcel of air? c) What do yo

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