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?

35. Which is NOT a vessel that brings blood directly into the right atrium?        

22. Hemorrhage with a large loss of blood causes ________.        

25. The receiving chambers of the heart include the ________.        

17. Which of the following is NOT true regarding fenestrated capillaries?        

1. An obstruction in the superior vena cava would decrease the flow of blood from the head and neck to the heart.