Presentation - PPEDU'10

1. (AFFILIATED TO THE UNIVERSITY OF KERALA & RECOG. BY NCTE)
ANCHAL, KOLLAM, KERALA – 691306
B.Ed COURSE 2013-2014

2. PRESENTED BY:
ASWATHY M.S.
NATURAL SCIENCE
REG. NO: 13379007

3. WELCOME…

4. RESPIRATION in organisms:

5. INTRODUCTION :
IT IS A life long PROCESS OF INSPIRATION OF OXYGEN AND
EXPIRATION OF CARBONDIOXIDE…
IT IS PRESENT IN ALL ORGANISM…

6. 1. EARTHWORM
 SKIN IS THE RESPIRATORY ORGAN.
 PRESENCE OF MANY BLOOD CAPILLARIES IN THE
SKIN.
 OXYGEN FROM THE ATMOSPHERE DIFFUSES
INTO BLOOD.
 CARBON DIOXIDE FROM THE BLOOD DIFFUSES
OUT TO THE ATMOSPHERE.

7. 2. COCKROACH
RESPIRATORY ORGAN IS TRACHEA.
 OPENING ARE NAMED SPIRACLE.
 AIR PASSES INSIDE AND OUTSIDE THROUGH
SPIRACLES.
 NO ROLE OF BLOOD IN
RESPIRATION

8. 3. SCORPION
RESPIRATION THROUGH BOOK LUNGS.
IT APPEARS LIKE THE PAGES OF A PARTIALLY
OPENED BOOK.
VENTRAL OPENENING APPEAR SLIT LIKE
APERTURE KNOWN AS SPIRACLE.
BOTH INTAKE AND RELEASE
OF AIR THROUGH SPIRACLE

9. 4. FISH
 RESPIRATORY ORGAN GILLS.
 GAS EXCHANGE THROUGH THE BLOOD
CAPILLARIES IN THE GILL PHILAMENT.
 GILLS ARE SITUATED INSIDE GILL CHAMBER.
 FISH GET OXYGEN FROM WATER.

10. 5. FROG
 AN AMPHIBIAN.
 SKIN AND LUNGS ARE THE RESPIRATORY ORGAN.
 THREE METHODS OF RESPIRATION.
1. CUTANEOUS RESPIRATION.
2. BUCCAL RESPIRATION.
3. PULMINARY RESPIRATION.
 TADPOLE RESPIRES THROUGH EXTERNAL
GILLS.

11. THANK YOU…