What are my objectives while studying this topic?

By studying this topic you’ll learn about the inhalation and exhalation processes.

Why is this important?

Learning about the ventilation process will help you understand sport and lifestyle issues, as well as helping you analyse more complex data.

Can I get an introduction to this topic?

Yes, why not have a look at the following tutorial:

Musicians singing or playing wind instruments show improved lung function

So, let’s get to it: what is ventilation?

Ventilation is the rate at which gas is inhaled and exhaled from the lungs. This can be measured by interpreting spirometry data.

What will I be expected to be able to do after studying this topic?

  • Know and be able to sequence the process of inhalation

  • Be able to explain how air is exhaled from the lungs

  • Be able to analyse and interpret spirometry data

What are the key words to learn and use?

  • Trachea

  • Ribs

  • Intercostal muscles

  • Sternum

  • Diaphragm

How long will this topic take to study?

On average you’ll be looking at about one hour of study time.

What are the main activities on this topic?


Have a go at the following drag-and-drop activity to remind you where the lungs are located:

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