Inflatable Lungs

Hii i,m rakesh in kaggalipura nook i,m showing how to work over lungs you try the project follow the step for using home materials

materials

stiff plastic bottle

small 2 balloons and big 1 balloons

2 rubber bands

scissor

y shape three way joint

cut the hard plastic bottle 15-cm from top

y shapped plastic joint

attach two balloons with rubber bands to lower joint

make a smoll hole in the bottel lid with hole

press fit this into the bottle hole

the model will look like this at this stage

cut a big good quality balloon

stretch the balloon on the lower part of the bottle

pull balloon membrane down to inflate both red balloon lungs

release red rubber to deflate lungs

pull red rubber again to inflate lungs keep pulling and releasing