32. When do the SL valves shut? 33. Label the SA node, AV node, AV bundle, left ventricle, purkinje fibers, left bundle branch, right bundle branch, apex
34. What is the largest artery of the body? 35. What are the three main regions of the aorta? 1. Ascending aorta 2. Aortic Arch 3. Descending aorta 36. What is the first branch of the aortic arch? 37. What serves the brain and gives rise to the ophthalmic artery that supplied the orbital structures? 38. What runs through the axilla, and gives off several branches to the chest wall and shoulder girdle? 39. What does the axillary artery become at the end of the teres major muscle? Which enters the arm 40. What supplies the gluteal muscle via the superior and interior gluteal arteries, and the adductor muscles of the medial thigh via the obturator artery? 41. What supplies the anterior abdominal wall and the lower limb? 42. What does the external iliac artery turn into as it continues into the thigh?
43. Veins draining the head and upper extremities empty into the what? 44. The superior vena cava drains blood of the blower body into the what? 45. Circle the vessel that is longer. Superior Vena Cava or Inferior Vena Cava. The inferior Vena Cava., and returns blood to the heart from all body regions below the diaphragm. 46. What does the pulmonary circuit begin with? 47. What converges from the pulmonary capillaries? 48. Which artery is within the aorta region and distributes to the kidneys? 49. The brachial artery divides into what? 50. What is the distal portion of the large intestines? 51. What is part of the celiac trunk and branches into the hepatic artery proper (its branches serve the liver, gallbladder, and stomach) and the gastro-duodenal artery (its branches serve the stomach, pancreas, and duodenum). Common Hepatic Artery
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