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

The eye, what isthe optic nerve

what isthe optic nerve

Biological basis of aggression, Biological Basis of Aggression: Studies...

Biological Basis of Aggression: Studies show that mild electrical stimulation of  a specific region of the hypothalamus - produces aggressive behaviour  in animals. When a cat'

Explain factors affecting viscosity of blood, Explain Factors Affecting vis...

Explain Factors Affecting viscosity of Blood Viscosity of blood affects the systemic blood pressure in the same way as changes in the peripheral resistance.  In anaemia, viscos

Explain the conditions for ventricular fibrillation, Explain the Conditions...

Explain the Conditions for Ventricular Fibrillation Ventricular fibrillation may be seen in the following two conditions: 1) When a person is electrocuted, and 2)  As a c

OCEAN COASTLINE, WHAT IS THE OCEAN''S COASTLINE''S LIVING AND NON-LIVING TH...

WHAT IS THE OCEAN''S COASTLINE''S LIVING AND NON-LIVING THINGS?

Define fats - nutritional components, Define Fats - Nutritional Components ...

Define Fats - Nutritional Components Once the body stops eating, it begins to live on its fat. Fat storing depots 'adipocytes' are located in the different parts of the body. I

Medieval science, Medieval Science: We can  record  the sum total  of  ...

Medieval Science: We can  record  the sum total  of  the medieval  achievement  in  the natural sciences in a few lines. It can be put down as a few notes on natural history  a

Explain rhythmicity - properties of a beating heart, Explain Rhythmicity - ...

Explain Rhythmicity - Properties of a Beating Heart Not only does the denervated heart continues to beat, it does so remarkably rhythmically. What it means is that the heartbea

What are analogys of microtubules, I am doing a science project and I need ...

I am doing a science project and I need to have a section in my project about the analogy of microtubules

Insight into robotics and robots, Insight into Robotics and Robots: The...

Insight into Robotics and Robots: The science of designing, building und using robots is called robotics. And what is a robot?  Many people  think of robots as mechanical pe

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