1. Respiration Breathing!

2. Terminology (1-1-2) 1. concha- 8. cochlea- 1. concha- 8. cochlea- 2. tachy- 9. pariet- 2. tachy- 9. pariet- 3. alveol- 10. pneum 3. alveol- 10. pneum 4. –ia11. olfact- 4. –ia11. olfact- 5. bronch-12. pleur 5. bronch-12. pleur 6. thorac- 13. brady- 6. thorac- 13. brady- 7. cric- 14. in- 7. cric- 14. in- 15. –pnea

3. BLESS YOU!

4. Introduction Getting O 2 to blood Getting O 2 to blood Moving O 2 from blood to cell Moving O 2 from blood to cell Moving O 2 from cell to Mitochondria Moving O 2 from cell to Mitochondria

5. Introduction Getting CO 2 out of cells. Getting CO 2 out of cells. Move CO 2 to blood Move CO 2 to blood Get rid of CO 2 Get rid of CO 2

6. FUNCTIONS of Respiratory System 1. Provide gas exchange surface, move air to and from that surface. 1. Provide gas exchange surface, move air to and from that surface.

7. FUNCTIONS 2. Protect surface area from dehydration, temperature changes, and environment. 2. Protect surface area from dehydration, temperature changes, and environment.

8. FUNCTIONS 3. Defend against pathogenic organisms (disease causing) 3. Defend against pathogenic organisms (disease causing)

9. FUNCTIONS 4. Communication ~ Verbal 4. Communication ~ Verbal

10. Activity GOLD COLDFISH GOLD COLDFISH

11. Respiratory Tract: Divided into two sections: upper and lower. Divided into two sections: upper and lower.

12. Respiratory Tract: Upper: Conducting passageway Upper: Conducting passageway Lower: Respiratory passageway Lower: Respiratory passageway

13. UPPER RESPIRATORY Respiratory Epithelium: Ciliated cells that secrete mucus, a mucus elevator. Respiratory Epithelium: Ciliated cells that secrete mucus, a mucus elevator.

14. CILIA

15. NASAL CAVITY Nasal cavity is covered with mucus. Nasal cavity is covered with mucus.

16. NASAL CAVITY

17. FUNCTIONS: FUNCTIONS: 1. Warm air to body temperature 1. Warm air to body temperature

18. NASAL CAVITY 2. Filter air for respiration (using cilia and mucus) 2. Filter air for respiration (using cilia and mucus)

19. NASAL CAVITY 3. Moisten air for exchange. 3. Moisten air for exchange.

20. NASAL CAVITY 4. Olfaction: Sense of smell receptors. 4. Olfaction: Sense of smell receptors.

21. NASAL CAVITY 5. Resonating chamber for Voice. 5. Resonating chamber for Voice.

22. NASAL CAVITY External Nares: External Nares: Nostrils, coarse hair protects opening. Nostrils, coarse hair protects opening.

23. NASAL CAVITY Nasal Septum: (136) divides nose into left and right chambers. Made of cartilage/bone. Nasal Septum: (136) divides nose into left and right chambers. Made of cartilage/bone.

24. NASAL SEPTUM

26. NASAL CAVITY Nasal Conchae: (134) Projections from side, increases surface area and turbulence. Nasal Conchae: (134) Projections from side, increases surface area and turbulence.

27. NASAL Conchae

28. Nasopharynx: Place where nasal cavity joins pharynx Nasopharynx: Place where nasal cavity joins pharynx Contains adenoids (pharyngeal tonsils) Contains adenoids (pharyngeal tonsils) Eustachian tubes connect to middle ear. Eustachian tubes connect to middle ear.

30. NASAL CAVITY Epistaxis: Bloody nose, lots of blood WHY? Epistaxis: Bloody nose, lots of blood WHY? Warming air. Warming air.

31. NASAL CAVITY Why do you get a runny nose on a cold day? Why do you get a runny nose on a cold day?

32. NASAL CAVITY Air condenses when it hits the cold nose surface. Air condenses when it hits the cold nose surface.