The Respiratory System

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Across
  1. 4. Sheet of elastic cartilage that protects your Larnyx
  2. 5. What part of your respiratory system has three parts: Supraglottis, glottis, subglottis
  3. 6. Infection that inflames your alveoli
  4. 8. What keeps allergens and dust particles out of your lungs
Down
  1. 1. What is the muscular tube that helps you breathe and digest food
  2. 2. Two main tubes that lead into each lung
  3. 3. Tiny hairs to trap dust and germs are called
  4. 7. Air comes in through your nose or mouth when you..