SCIENCE Grade 9 Biology Chapter 1: Respiratory System

1. RESPIRATORY &
CIRCULATORY
SYSTEMB Y : M S PA U L A M A R I E M L L I D O
BIOLOGY: CHAPTER 1
https://www.slideshare.net/user86944

2. BREATHING
EXERCISE

3. RESPIRATORY ORGANS & FUNCTIONS
•N
•M
•P
•T
•B
•B
•L, A

4. RESPIRATORY ORGANS & FUNCTIONS
Epiglottis
Trachea
Nose
Pharynx
Larynx
Lungs
Bronchus
Mouth
Diaphragm
Bronchioles

6. NOSE
P L A C E Y O U R H A N D I N F R O N T O F Y O U R
N O S E . C A N Y O U F E E L T H E A I R A S Y O U
B R E AT H ?

7. PHARYNX

8. TRACHEA

9. BRONCHUS

10. BRONCHIOLES

11. LUNGS

13. THE MECHANISM
OF GAS
EXCHANGE:
BREATHING IN
AND OUT

14. LET’S WATCH A
VIDEO!

15. MECHANICALRESPIRATION

16. LET’S WATCH A
VIDEO!

17. GAS EXCHANGE IN ALVEOLI
O2
CO2

18. WHAT ARE THE
PARTS OF THE
RESPIRATORY
SYSTEM?

19. WHAT HAPPENS
TO YOUR BODY
DURING
INHALATION?

20. WHAT HAPPENS
TO YOUR BODY
DURING
EXHALATION?

21. HOW DOES GAS
EXCHANGE OCCUR
IN THE
ALVEOLI?