49. [organ] Identify the organ in the image below. 50. [F] Identify the entire structure labeled F.

47. [47] Identify the organ in the image below. 48. [48] Identify the structure at the tip of the pointer.

23. [23] Identify this vessel. 24. [24] Identify this region of the throat.

29. [A] Identify the organ labeled A. 30. [B] Identify the organ labeled B. 31. [C] Identify the organ labeled C. 32. [D] Identify the structure labeled D.

[D] Identify the valve labeled D. [E] Identify the chamber labeled E (INCLUDE ORGAN NAME)  

41. [41] Identify this region of the organ and INCLUDE ORGAN NAME. 42. [42] Identify this muscle that constricts the organ and INCLUDE ORGAN NAME.

41. [41] Identify this organ. 42. [42] Identify this muscle that constricts the organ and INCLUDE ORGAN NAME.

47. [47] Identify the organ in the image below. 48. [48] Identify the cell at the tip of the pointer.

47. [organ] Identify the organ in the image above. 48. [C] Identify the entire structure labeled C.

39. [39] Identify this vessel. 40. [40] Identify this region of the organ and INCLUDE ORGAN NAME.