Respiration

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Across
  1. 1. The microscopic strands that trap dust and bacteria in the nose
  2. 3. During exercise the body requires more of this gas
  3. 4. During exercise breathing rate ______________
  4. 5. The difference between high and low pressure of gases
  5. 6. The location of the gaseous exchange
  6. 7. The area of the brain which controls HR and breathing rate
Down
  1. 1. Exhalation's primary role is to remove this gas
  2. 2. The movement of gases from areas of higher press to an area of lower pressure
  3. 5. The main muscle that allows inhalation