1. Circulatory system

3. What is Blood? Blood has four parts: 1. Red Blood Cells
2. White Blood Cells
3. Platelets
4. Plasma

4. Red blood cells

5. Red blood cells

6. White blood cells

7. White blood cells

8. What is Blood?

9. Platelets

10. Platelets

11. Platelets

12. Platelets

13. plasma

14. plasma

15. plasma

16. Review

17. Blood vessels

18. Arteries

19. Arteries

20. Veins

21. Veins

22. Capillaries

23. Capillaries

24. Capillaries

25. Capillaries

26. Review

27. heart

28. heart

29. heart

30. heart

31. Heart beat

32. Systole– heart contraction

33. diastole– heart expansion

34. Systole and diastole

35. Review

36. The circulatory system in bigger picture

37. The circulatory system in bigger picture

38. Review

39. End