Let's solve this step-by-step by identifying and labeling each part of the respiratory system in the diagram based on its anatomical position and function.
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Step 1: Understand the Diagram
The diagram shows a side view of the human respiratory system, starting from the nose/mouth down to the lungs and diaphragm. The labeled lines point to various structures that need to be identified using the provided word box.
Step 2: Review the Word Box
Available terms:
- alveoli
- larynx (voice box)
- bronchial tube
- diaphragm
- pharynx (throat)
- bronchiole
- pleura
- trachea (windpipe)
- nasal passage
We will match these to the correct parts.
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Step 3: Identify Each Structure
1.
Top line (near the nose/mouth)
→ This is the
nasal passage — the air enters through the nose or mouth into the nasal cavity.
2.
Second line (just below the nose, leading to throat)
→ This is the
pharynx (throat) — it’s the common passageway for air and food.
3.
Third line (below the pharynx, voice box area)
→ This is the
larynx (voice box) — it contains vocal cords and is located below the pharynx.
4.
Fourth line (tube going down from larynx)
→ This is the
trachea (windpipe) — a long tube that carries air to the lungs.
5.
Fifth line (branching off the trachea into the lungs)
→ This is the
bronchial tube — the main branches of the trachea entering the lungs.
6.
Sixth line (smaller branches inside the lung)
→ This is the
bronchiole — smaller tubes branching from the bronchi into the lung tissue.
7.
Seventh line (tiny sacs at the end of bronchioles)
→ This is the
alveoli — small air sacs where gas exchange occurs.
8.
Eighth line (membrane surrounding the lung)
→ This is the
pleura — the thin membrane that covers the lungs and lines the chest cavity.
9.
Ninth line (muscle beneath the lungs)
→ This is the
diaphragm — the dome-shaped muscle below the lungs that helps with breathing.
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Final Answer: Labeling from Top to Bottom
| Line Number | Label |
|-------------|---------------------------|
| 1 | nasal passage |
| 2 | pharynx (throat) |
| 3 | larynx (voice box) |
| 4 | trachea (windpipe) |
| 5 | bronchial tube |
| 6 | bronchiole |
| 7 | alveoli |
| 8 | pleura |
| 9 | diaphragm |
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✔ Summary of Labels (from top to bottom):
1.
nasal passage
2.
pharynx (throat)
3.
larynx (voice box)
4.
trachea (windpipe)
5.
bronchial tube
6.
bronchiole
7.
alveoli
8.
pleura
9.
diaphragm
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This completes the labeling of the respiratory system diagram correctly using the given vocabulary.
Parent Tip: Review the logic above to help your child master the concept of respiratory system worksheet middle school.