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

Explain stereo isomerism, Stereo isomerism:- Stereo  isomerism  occurs ...

Stereo isomerism:- Stereo  isomerism  occurs  when  the  same compound  due  to  different spatial arrangement of the groups attached  to its asymmetric carbon atom exists in m

Explain extrasystole and compensatory pause, Explain Extrasystole and Compe...

Explain Extrasystole and Compensatory Pause During the relaxation period, cardiac muscle is in the relative refractory period i.e. sleeping but only just. If a sufficiently st

Poisonous and infectious substances , Poisonous and Infectious Substances :...

Poisonous and Infectious Substances : These are the substances liable to cause death or serious injuries to health, if swallowed or inhaled or allowed to come in contact with skin

Explain the simple cells - primary visual cortex, Explain the Simple Cells ...

Explain the Simple Cells - Primary Visual Cortex They are most sensitive to lines oriented in a particular angle to the vertical. Simple cells probably receive a convergence of

Heaping water up in a glass, Heaping water up in a glass Place a drinki...

Heaping water up in a glass Place a drinking glass in a shallow pan or on a saucer. Rub the top edge of the glass with a dry cloth. Pour water into the glass unless it is full

Personality assessment system, Mr. X was administered the Personality Asses...

Mr. X was administered the Personality Assessment System (PAS), which is an individually-administered assessment of a person's personality structure and function. His total P score

Verification of stock items , VERIFICATION OF STOCK ITEMS : Now you know t...

VERIFICATION OF STOCK ITEMS : Now you know that a stock register is the key for the verification of all the items purchased from time to time. Let us now perform the second activi

Explain sinus bradycardia - electrocardiogram, Explain Sinus Bradycardia - ...

Explain Sinus Bradycardia - Electrocardiogram If the SA node discharge rate is slow, the heart rate is slow. ECG is normal in every respect except that the heart rate at rest i

Laboratory method of soil textural classes, Laboratory Method of Soil textu...

Laboratory Method of Soil textural classes The mechanical analysis methods have been used by USDA to develop a method for naming the textural class. This is depicted by a trian

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