Which of the following best describes the aorta? It carries deoxygenated blood to the heart It is the largest artery in the body It is the artery which travels down the right leg It is the smallest artery in the body Question 67 The human body has 12 pairs of what bones? phalanges vertebrae ribs tarsals Question 68 Which of the following are the upper jaw bones? occipital bones mandible maxillary bones frontal bones