Respiratory System

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Across
  1. 2. released from your body when you exhale
  2. 6. it humidifies and warms the inspired air
  3. 9. tiny branch of air tubes in the lungs
  4. 10. tiny hairs in the nose that filters the air
  5. 11. allows the exchange of gases within the cells through inhaling and exhaling
  6. 14. filters the carbon-dioxide that enters the body
Down
  1. 1. carry air into your lungs
  2. 3. the energy-producing chemistry that drives the metabolisms of most living things
  3. 4. tiny blood vessels that covers the walls of the alveoli
  4. 5. allows us to breathe
  5. 7. where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out
  6. 8. also known as windpipe
  7. 12. receives air from the nasal cavity and food, and water from the oral cavity
  8. 13. also known as voice box
  9. 15. a sticky substance that warms up the incoming air and lubricates the inside of the nose