P5 Science Chapter 4 – Air & Respiration

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Across
  1. 5. Air enters the body through this.
  2. 7. Tiny hairs in the nose help to do this to air.
  3. 8. Living things need this gas to survive.
  4. 9. Tiny hairs in the nose trap this.
  5. 10. A mixture of gases.
Down
  1. 1. Gaseous exchange takes place here.
  2. 2. Carries air to and from the lungs.
  3. 3. Living things need oxygen for this process.
  4. 4. The process of taking in and giving out air.
  5. 6. The gas found in the greatest amount in air.