IV. Exercises/Activities: • A Activity 1 (Explore) Instructions Match Column A with Column B 1. Source of oxygen. 2. The air we breathe. Column A 3. Gas that comes out in our body when we exhale. 4. Parts of respiratory system. 5. Parts of the body that circulates . B. Activity 2 (Learn) Instruction ● Column B carbon dioxide oxygen plants blood alveoli carbon monoxide​

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Answer:

1. Source of oxygen - Plants

2. The air we breathe. - Oxygen

3. Gas that comes out in our body when we exhale. - Carbon dioxide

4. Parts of respiratory system. - Alveoli

5. Parts of the body that circulates. - Blood

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