The common carotid arteries supply blood to which areas of the body?

The common carotid arteries are major blood vessels that supply oxygenated blood primarily to the head, face, and neck. Each common carotid artery divides into two branches: the internal carotid artery, which provides blood to the brain, and the external carotid artery, which supplies blood to the face and neck structures. This distinction is essential for understanding the vascular system's role in delivering vital nutrients and oxygen to these areas, as they are crucial for neurological function and the maintenance of facial structures. The other options pertain to different arterial supply pathways; for example, the arms and legs are supplied by the subclavian and femoral arteries, while the heart and lungs are nourished by the coronary and pulmonary arteries, respectively.