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Instruction Sheet

This document provides instructions for making a model of the lungs using common household items. The materials needed are a plastic bottle, balloons, plastic straws, scissors, tape and modeling clay. The instructions detail how to cut and shape the bottle to represent the chest cavity and insert straws and balloons to model the trachea and lungs. When complete, squeezing the balloons demonstrates how the lungs inflate and deflate during breathing. The model is designed to demonstrate the basic structure and function of the lungs in a simple, hands-on way.

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239 views3 pages

Instruction Sheet

This document provides instructions for making a model of the lungs using common household items. The materials needed are a plastic bottle, balloons, plastic straws, scissors, tape and modeling clay. The instructions detail how to cut and shape the bottle to represent the chest cavity and insert straws and balloons to model the trachea and lungs. When complete, squeezing the balloons demonstrates how the lungs inflate and deflate during breathing. The model is designed to demonstrate the basic structure and function of the lungs in a simple, hands-on way.

Uploaded by

pancadewis
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Making a Model of the Lungs 1 of 2

Equipment
a clean, clear plastic bottle (at least 500ml) sticky tape
scissors
small balloons × 2 large
narrow, bendy plastic drinking straws × 2
balloon modelling clay
wide plastic drinking straw

Instructions

1 2

Remove and discard the lid from the plastic Take two bendy plastic straws and cut about a third of
bottle. Carefully cut off the bottom of the bottle
using a sharp pair of scissors. The plastic bottle
represents the chest cavity.

3 4

Insert the ends of the two pieces of bendy straw into Carefully
the end ofinsert
the wider
the end
plastic
of each
straw
bendy
and secure
straw into
withthe
stick
o
Making a Model of the Lungs 2 of 2

Put the end of the wider straw through the neck of the bottle and secure with modelling clay, making sure

Tie a knot at the end of a larger balloon, then use the scissors to cut about 1cm off the top of the balloon
7 8

Pull down on the knot in the balloon to see the lungs i


Stretch the open end of the cut balloon over the open end of the bottle so it is tight. If needed, you can use

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