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