37. Which of the following is NOT a function of the kidneys?

30. By 72 hours after fertilization, the egg has divided into more than 160 cells and is called the morula.

45. Prior to the let-down reflex, the mammary glands secrete a yellowish fluid called ________ that has less lactose than milk and almost no fat.        

23. How is most carbon dioxide transported within the blood?

20. If a woman has just ended her menstrual phase, when is she most likely to ovulate?        

33. Which of the following is NOT a function of the large intestines?

50. As pregnancy continues, the increasing bulkiness of the anterior abdomen changes the woman’s center of gravity, possibly causing an accentuated lumbar curvature called ________.        

48. If the AV node is not working correctly, a surgeon should surgically implant the heart with an artificial pacemaker.

44. Auricles are the flaplike appendages attached to the atria that provides a reserve capacity to increase the atrial volume. The atria are receiving chambers for blood returning to the heart from the pulmonary and systemic circulation.

29. Which of the following helps digest proteins in the small intestines?