21. Isovolumetric contraction (in reference, of course, to the left side of the heart) is:

16. Papillary muscles:

23. Severe hemorrhage (assuming a normal heart) would directly result in:

48. What are the ? marks designating?

37. Name this valve:

Match the terms with their correct meanings:

Select the term that is spelled correctly: Reproductive organs:

Select the term that is spelled correctly: Instrument to visually examine the tube leading from the uterus:

Ovarian sac:

Painful labor and delivery: