📚 Topic Summary
The respiratory system is how our bodies get oxygen from the air and get rid of carbon dioxide. Think of it like a super important delivery service! 🚚 We breathe in air through our nose and mouth. The air travels down our windpipe (trachea) into our lungs. Inside our lungs are tiny air sacs called alveoli, where oxygen enters our blood and carbon dioxide leaves. Breathing helps keep us energized and healthy! 💪
🔤 Part A: Vocabulary
Match the word to its correct definition:
- Air Sacs
- Lungs
- Diaphragm
- Trachea
- Oxygen
- A. The main organs of the respiratory system.
- B. A gas that our bodies need to survive.
- C. A large muscle that helps you breathe.
- D. Tiny sacs in the lungs where oxygen enters the blood.
- E. The windpipe, a tube that carries air to the lungs.
✍️ Part B: Fill in the Blanks
Use the words below to fill in the missing words in the paragraph:
carbon dioxide, breathe, lungs, oxygen, nose
We ______________ in air through our ______________ and mouth. The air goes into our ______________. Our bodies use the ______________ from the air and get rid of ______________.
🤔 Part C: Critical Thinking
Why is it important to take care of your respiratory system? Give at least two reasons.