About your lungs
Find out how your lungs work, including how you breathe and how oxygen gets into your blood. We also explain how your lungs grow and what you can do to protect them.
How your lungs work
On this page, we explain what your lungs do and how your respiratory system works to help you breathe.
How children’s lungs grow
Find out how lungs develop in the womb and how they continue to grow after birth and through childhood.
Risks to your child's lungs
Find out about early risks to your child’s lungs, the dangers of passive smoking and air pollution, as well as how you can reduce the risks.
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