1. Frog Dissection
TEKS 7.12B identify the main functions of the systems of the human organism including the circulatory, respiratory, skeletal, muscular, digestive, excretory, reproductive, integumentary, nervous and endocrine systems

2. Dorsal
Ventral

3. External Structures & Mouth

4. Upper eye lid

5. Nictitating membrane

6. Tympanic membrane (eardrum)

7. External nares

9. Forked tongue

10. Point of attachment for tongue

11. Internal nares

12. Vomerine teeth

13. Maxillary teeth of upper jaw

14. Eustachian tubes

15. Glottis

16. Gullet

18. First cut

19. First cut

20. First cut

21. Insert scissors under skin only!!

22. First cut

23. Transverse cuts

24. Transverse cuts

25. Cutting through the muscles

26. Cutting through the muscles

27. Insert scissors under muscles only!!

28. Cut carefully through the clavicle

29. Transverse cuts

30. Transverse cuts

31. Cut off flaps of skin & muscle

32. Heart with pericardial sack

33. Right atrium
Ventricle
Left atrium
Aorta

34. 3 lobes of the liver

35. 3 lobes of the liver

36. Gall bladder

37. Gall bladder

38. Stomach

39. Pancreas

40. Small intestine

41. coils of small intestine

42. Large intestine

43. Large intestine
Urinary bladder

44. Spleen
Fat Bodies

45. Cut at top of stomach

46. Cut at bottom of stomach

47. Lung

48. Lung

49. NOTE: Place a syringe or pipette in the throat of the frog & try to inflate the lungs.

50. Longitudinally cut stomach open

51. Rugae in stomach lining

52. Ovary
Kidney
Oviduct

53. Heart
Lungs
Kidneys

54. Small intestine
Large intestine
Heart
Lungs
Urinary bladder
Spleen
Fat bodies