Activity 1.3 Directions: Write the word or phrase from the pool of words to answer question number 1 to 8. Write your answers in your activity notebook. Release extra. energy Expanding the lungs to make new bones moistening it for muscles to move carbon dioxide and water Slows down lungs more oxygen and nutrients from your blood diaphragm contracts and the ribcage expand diaphragm relax and returning to normal resting position 1. Energy is also used for growth and repair of body cells and tissues like bone cells use energy to 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
Answer (1)
Here are the answers for Activity 1.3:1. Energy is also used for growth and repair of body cells and tissues like bone cells use energy to make new bones.2. Body cells use oxygen to break down sugar into carbon dioxide and water.3. When the body gets cold, the cells release extra energy.4. Tiny hairs line inside the nose prepare air for the lungs by moistening it.5. How does the body use energy released in its cells? For muscles to move6. When you are asleep, your breathing will slow down.7. When you are doing strenuous activities, your muscle cells get more oxygen and nutrients from your blood.8. When you exhale, the diaphragm relaxes and returns to its normal resting position.9. What happens when you breathe in air? The diaphragm contracts and the ribcage expands.10. Exchanging of gases takes place in the lungs.
