Respiratory System

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