Biology » The Lungs & Heart

The Lungs & Heart

This page covers:

blood, circulation, lungs, ventilation, alveoli, gas exhange, circulatory systems, respiratory systems, white blood cells,

 

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BBC Bitesize: Levels of organisation
Plants and animals consist of different types of cell that work together.

BBC Bitesize: The Heart
What the heart contains and how circulation works.

BBC Bitesize: The gas exchange system
The human body gas exchange system and breathing.