National 3 Biology Unit 2 Revision

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Across
  1. 2. A method of providing immunity to a disease
  2. 4. A substance that can cause a baby to be born underweight
  3. 5. An organ that acts as a physical barrier to a pathogen
  4. 6. 2 + 8 + 5 / 3 = 5. This is an example of?
  5. 8. An organ that pumps blood around the body
  6. 9. 10 : 5 can be simplified to 2 : 1. This is an example of?
Down
  1. 1. Equipment used to measure an individual's temperature
  2. 3. A sphygmomanometer is used to measure what about the blood?
  3. 7. An example of a positive lifestyle choice
  4. 10. A chemical barrier to a pathogen produced in the stomach