1. 1. What did you see on the video?
2. 2. Vocabulary
3. 3. One of the two opening in the nose through which one breathes, smells etc. nostril (n)
4. 4. the tube that carries air from your throat to your lungs trachea (n)
5. 5. a wide part like a bag in the tubes an insect uses for breathing air sacs (n)
6. 6. a small flat part at the back of the tongue that closes when you swallow to prevent food from entering the tube which goes to the lungs epiglottis (n)
7. 7. the tube in the body that carries air that has been breathed in from the upper end of the throat to the lungs windpipe (n)
8. 8. Active voice and Passive voice
9. 9. Active Voice In Active Voice, the subject is doing the action while the object is the one receiving the action S + V O+
10. 10. Example We breathe in oxygen. subject we verb = breathe in= object = oxygen
11. 11. Examples: We breathe out carbon dioxide. The pharynx carries both food and air.
12. 12. Passive Voice The subject is the receiver of the action. The doer is found at the end of sentence.
13. 13. Passive Form: object + v. to be + past participle verb + by + subject You can add
14. 14. [Thing receiving action] + [be] + [past participle of verb] + [by] + [thing doing action] The walls of the windpipe are made strong by stiff rings.
15. 15. How to use passive Form: When the object receives the action of the verb. When we want to make the active object more important. When we dont know the active subject.
16. 16. Examples: This is called the oesophagus. Air can also be breathed in trough the month. Voice box is located at the top of the trachea.
17. 17. How to formulate the Passive Voice ? 1. Put the object of the verb at the beginning of your sentence 2. Conjugate the verb to be in the same sentence as the active sentence 3. Put the main verb in the past participle form Sukjai breathe in oxygen. Oxygen is breathed in by Sukjai.
18. 18. Which sentence is Passive voice ? 1.We breathe in oxygen. 2.This is called the oesophagus. 3.We breathe out carbon dioxide
19. 19. nose throat voice box windpipe lungs
20. 20. Pharynx
21. 21. alveoli
22. 22. What will happen with breathing when we do the exercise ?
23. 23. Experiment time!!! Lung Model
24. 24. Direction 1. Take the bottle of water and remove the cap. 2. fasten the plastic bag over the bottom of water bottle 3. Take a balloon and stick it into the top hole of the bottle. 4. Stretch the lip of the balloon over the tip of the bottle
25. 25. The opening the top of the bottle is represented . A water bottle is ..