1. Respiration
Breathing!

2. Terminology (1-1-2) 1. –(o)tomy 8. cochlea- 2. pulmo- 9. pariet-
3. alveol pneum
4. –ia olfact-
5. bronch pleur-
6. thorac patho-
7. scler in-
15. -pnea

3. BLESS YOU!

4. Introduction Getting O2 to blood Moving O2 from blood to cell
Moving O2 from cell to Mitochondria

5. Getting CO2 out of cells. Move CO2 to blood Get rid of CO2
Introduction
Getting CO2 out of cells.
Move CO2 to blood
Get rid of CO2

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

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

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

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

10. Activity
GOLD COLDFISH

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

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

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

14. CILIA

15. Nasal cavity is covered with mucus.

16. NASAL CAVITY

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

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

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

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

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

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

23. NASAL CAVITY
Nasal Septum: ( ) 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.

27. NASAL Conchae

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

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

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

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