What's More

Directions: Write the word or phrase from the pool of words to answer questions number 1 to 8. Write your answers in your activity notebook.

Release extra energy

Activity 1.3

Expanding the lungs

to make new bones

more oxygen and nutrients from your blood

diaphragm contracts and the ribcage expand

diaphragm relax and returning to normal resting position

2. Body cells use oxygen to break down sugar into

3. When the body get cold, the cells

4. Tiny hairs line inside the nose prepare air for the lungs by

5. How does the body use energy release in its cells?

6. When you are asleep your breathing will

7. When you are doing strenuous activities your muscles cells get_

8. When you exhale, the diaphragm

9. What happens when you breathe in air?

10. Exchanging of gases takes place in the

Slows down

carbon dioxide and water

moistening it for muscles to move

lungs

1. Energy is also used for growth and repair of body cells and tissues like bone cells

use energy to​