Respiration
Leaving Cert Biology · Structures and Processes of Life
Higher Level
The release of energy from glucose in cells. Aerobic respiration uses oxygen and takes place mainly in the mitochondria, producing carbon dioxide and water.
Ordinary Level
How cells release energy from glucose. It happens mainly in the mitochondria.
Biology practice is part of Pro. Reading the definitions here is always free.
More Structures and Processes of Life terms
Get the free study guide
H1 Owl is now on the App Store: download it for iPhone. Sign up here and get The Leaving Cert Maths Game Plan, our free PDF study guide, straight away, plus occasional study tips.
Occasional emails, no spam. Under 16? Ask a parent to sign up for you.
Where next
All Biology terms
The whole Leaving Cert Biology glossary, grouped by strand and labelled by level.
Browse BiologyQuestion of the day
One real Higher Level Maths question, new every day, with the explanation.
Answer today'sThe app
1,700+ original questions across Maths, Biology, Chemistry and Physics. Maths is free.
See the app