Across
- 2. a muscle situated between the ribs.
- 6. happens when air or other gases enter the lungs.
- 10. the metabolic process in living organisms by which oxygen is combined with carbon in a cell to form carbon dioxide and generate energy.
- 13. is the part of the throat behind the mouth and nasal cavity, and above the oesophagus and trachea.
- 14. also known as the windpipe is a cartilaginous tube that connects the larynx to the bronchi of the lungs.
- 15. are the primary organs of the respiratory system in humans and most other animals, including some snails and a small number of fish
- 16. is the flow of the breath out of an organism.
Down
- 1. is a resilient and smooth type of connective tissue.
- 3. is a leaf-shaped flap in the throat that prevents food and water from entering the windpipe and the lungs.
- 4. commonly called the voice box, is an organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration
- 5. also known as vocal folds or voice reeds, are folds of throat tissues that are key in creating sounds through vocalization.
- 7. or bronchioli are the smaller branches of the bronchial airways in the lower respiratory tract.
- 8. is a passage or airway in the lower respiratory tract that conducts air into the lungs.
- 9. is the net movement of anything generally from a region of higher concentration to a region of lower concentration.
- 11. also known as an air sac or air space,
- 12. is the iron-containing oxygen-transport metalloprotein in red blood cells