Final answer:
The 3rd pharyngeal arch artery contributes to the formation of the common carotid artery and the proximal part of the internal carotid artery, which supply blood to numerous structures in the head and neck region.
Step-by-step explanation:
The 3rd pharyngeal arch artery undergoes significant developmental changes during embryogenesis, which are integral to the formation of several major cardiovascular structures in the adult organism. This arch typically contributes to the formation of the common carotid artery and the proximal part of the internal carotid artery. These arteries play a crucial role in supplying blood to various structures, including the head, neck, face, lower jaw, and organs such as the larynx and esophagus. It's worth noting that the pharyngeal arches and their associated arteries display a complex pattern of development that leads to the mature circulatory system.