The Respiratory System

123456789101112131415
Across
  1. 2. – any of the major air passages of the lungs which diverge from the windpipe
  2. 5. – relating to the lungs
  3. 7. – either of the pair of posterior apertures of the nasal cavity that open into the nasopharynx
  4. 8. – the lower part of the pharynx lying behind or adjacent to the larynx
  5. 9. – a square bone at the root of the nose, forming part of the cranium, and having many perforations through which the olfactory nerves pass to the nose
  6. 11. – is any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival
  7. 12. - the part of the alimentary canal which connects the throat to the stomach
  8. 13. - the jaw or jawbone, specifically the upper jaw in most vertebrates
  9. 15. – the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals
Down
  1. 1. – the membrane-lined cavity behind the nose and mouth, connecting them to the oesophagus
  2. 3. – a specialist in the anatomy, physiology, and pathology of the lungs
  3. 4. - the action of inhaling or breathing in
  4. 6. – relating to the heart and blood vessels
  5. 10. – the windpipe
  6. 14. - any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange