2️⃣The Model Lung Representations✍️

Question 1

In what way is the bell jar similar to your respiratory system?
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Answer 1

There are 2 lungs, 2 bronchi, trachea and a movable diaphragm.

Question 2

How is the bell jar different to your respiratory system?
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Answer 2

Two balloons rather than lots of alveoli 🎈
Rib cage doesn’t move 🕺

Question 3

Why does the bell jar need to be air tight?
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Answer 3

To enable the volume and pressure changes

Question 4

In the model lung what does glass tube A represent
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Answer 4

Trachea

Question 5

In the model lung, what does the bell jar represent?
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Answer 5

It represents the rib cage

Question 6

In the model lung, what does glass tube B represent?
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Answer 6

Bronchus

Question 7

In the model lung, what do the balloons represent?
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Answer 7

The balloons represent the lungs 🫁

Question 8

In the model lung, what does the rubber sheet represent?
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Answer 8

It represents the diaphragm

Question 9

What happens to the volume in jar X when the rubber sheet is pulled down?
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Answer 9

The volume increases

Question 10

What happens to the pressure in jar Xwhen the rubber sheet is pulled down?
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Answer 10

The pressure decreases

Question 11

What happens to the balloons in jar X when the rubber sheet is pulled down?
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Answer 11

they inflate

Question 12

Describe fully why the balloons 🎈 are deflated in Jar Y
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