2. RESPIRATORY SYSTEM

3. Function of Respiratory System To provide to enter the bloodstream where it will be carried to every cell for the process of. This produces for. oxygen Aerobic respiration energy metabolism In addition, this system allows to be exhaled from the body. carbon dioxide

4. So how do organisms Respire? diffusion skin spiracles/tracheal tubes stomates gills

5. nose mouth Human Respiratory System

6. The Nasal Cavity has space which the air, mucus membranes which the air and nose hairs which the air. warms moisten filter

7. nose mouth Human Respiratory System pharynx larynx

8. How do you speak/choke/have food come out your nose? Eww!! Uvula, but what’s that hanging off it? Adam’s apple

9. nose mouth Human Respiratory System pharynx larynx trachea bronchi

10. Bronchi and trachea: Rings of cartilage to keep open, mucus and beating hairs to clear passageway

11. nose mouth Human Respiratory System pharynx larynx trachea bronchi lung bronchiole alveoli

12. Lungs contain bronchioles and alveoli. bronchiole1. 2.alveoli 3.capillary

13. nose mouth Human Respiratory System pharynx larynx trachea bronchi lung bronchiole alveolidiaphragm

14. So……why do we breathe? And how? We mostly breathe to rid ourselves of CO 2 Inhale: ribs up and out, diaphragm down. Exhale: ribs down, diaphragm up.

15. Respiratory Disorders: ASTHMA Causes release of histamine which…

16. …causes a runny nose, sneezing, itchy, watery eyes and possibly- ASTHMA! antihistamine inhaler

17. Respiratory disorders: BRONCHITIS Inflammation caused by: virus, bacteria, asthma, smoking

18. Smoking causes: Bad hair! Bad stink! Bad teeth! Bad skin! ADDICTION!!

19. That was then… This is now!

20. Smoking causes: EMPHYSEMA Alveoli are overstretched and lose their elasticity

21. Smoking causes cancer laryngectomy

23. Mount Everest: 29,032 ft above sea level Mauna Kea, Hawaii 13,000 ft above sea level (33,000 ft from the sea floor!) Chimborazo, Ecuador 20,500 ft above sea level Farthest point from the Earth’s Center

24. Mt. Everest Base Camp Tibet, 18,000 ft

25. Memorials to lost climbers

26. Camp 1: 19,100 ft Oo Nien and Katie

27. You must all be High!!!