40. Which of the following hormones is a steroid, and thus cannot be stored?

55. The heart acts as a functional syncytium. What does this mean?

61. In general, most blood in the body is found in

6. Diabetic coma is caused by

39. When the head is lying prone (as when in bed), the macula in the ____ is horizontal, and thus _____ messages to the brain.

21. Which disease is associated with joint and/or muscle pain?

53. Choose the correct pairing (does not need to be in correct order) of blood vessel with adjoining heart chamber.

3. Name this structure. 

41. When discussing the regulation of hormone release, humoral stimuli refers to

31. Lead in our diet would stimulate which basic taste?