1. NUTRITIONBy Carmen Robleda and Ana Rodríguez

3. RESPYRATORY SYSTEM

4. CIRCULATORY SYSTEM

5. EXCRETORY SYSTEMNUTRITION

7. GLANDSDIGESTIVE SYSTEM

8. THE PARTS OF THE DIGESTIVE SYSTEM

10. EXCHANGE OF GASES Theoxygenbreathed in goestothe

11. Blood and thecarbondioxidefromthebloodmovestothelungs.

12. The RESPIRATORY SYSTEM itconsists of :

13. RESPIRATORY TRACT

14. LUNGSRESPIRATORY SYSTEM

15. THE PARTS OF THE RESPIRATORY SYSTEM

17. URINARY SYSTEM: Itismade up of: KIDNEY URINARY TRACT EXCRETION SYSTEMS

18. THEPARTS OF THE EXCRETORY SYSTEM

20. BLOOD: itcollectsoxygen and nutrients.

21. BLOOD VESSELS: there are threetypes: - ARTERIES, - VEINS - CAPILLARIES CYRCULATORY SYSTEM

22. THE CIRCULATORY SYSTEM

24. RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETS

25. BLOOD PLASMA BLOOD

26. Thehearthas twoatria and twoventricles. Theveinsmeet at Theatria.Thearteriesleavefromtheventricles.Theheart pumpsbloodusingsystole and diastolemovements. Humancirculationisdoublebecauseit has a pulmonaryor Minorcirculation and a general ormajorcirculation. THE HEART AND CIRCULATION

27. THE PARTS OF THE BLOOD CIRCULATION

28. THE END