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

How big is the earth, How big is the Earth? The Earth size : is neith...

How big is the Earth? The Earth size : is neither the largest nor smallest planet in our solar system. It is the largest of the non-gaseous planets (Mercury, Venus, Mars, and

Explain change of posture - decreased cardiac output, Explain Change of pos...

Explain Change of posture - Decreased Cardiac Output When a person stands up from lying down posture, there is an immediate but transient fall in systolic blood pressure. This

Student Heart Rate.., what is manipulating? What is responding variables?

what is manipulating? What is responding variables?

First aid treatment for shock, FIRST AID TREATMENT FOR SHOCK : Some de...

FIRST AID TREATMENT FOR SHOCK : Some degree of shock is produced in most accidents. Shock is associated with changes in the system of blood circulation varying from temporary

Functions of the gall bladder, Functions of the gall bladder Bile from ...

Functions of the gall bladder Bile from the liver passes through the cystic duct to the gall bladder. The gall bladder acts as a reservoir of bile. By the absorption of water,

Define pus - abnormal constituent of urine, Define pus - abnormal constitue...

Define pus - abnormal constituent of urine Pus: Pus cells are found in the urine in infections of urinary tract. Pus is actually a viscous, yellowish-white fluid formed in infe

Explain nerve supply of the gastrointestinal tract, Explain Nerve Supply of...

Explain Nerve Supply of the Gastrointestinal Tract The gastrointestinal tract is supplied by nerves from both sympathetic and parasympathetic nervous system. The parasympatheti

Technology in industry, Technology in industry: One aspect of  technolo...

Technology in industry: One aspect of  technology is that the latest scientific methods are used in prduction. This, in turn, depends on the availability of the-right type of s

Explain the water cycle, The Water Cycle Heat some water unless it is n...

The Water Cycle Heat some water unless it is near the boiling point. Place it in a drinking glass and rotate the glass so as to moisten the sides right to the top. Place some v

Treatment of soil sickness, Treatment of soil sickness  Due to overus...

Treatment of soil sickness  Due to overuse without rest, soil becomes deficient in the requisite nutrients and loses its fertility. Rotation of crops and vegetables, such as

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