Respiratory System

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Breathe in called ....

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Breathe out called ....

Dropdown

When we breathe in, ribcage moves​

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and​

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.

Dropdown

When we breathe out, ribcage moves​

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and​

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.

Labelling

Complete the diagram of respiration process.

Drag labels to their correct position on the image

Water

Carbon dioxide

Energy

Oxygen

Sugar

Fill in the Blank

The ... blocks the air from going into and out of the lungs.