The German cockroach will eat almost anything, but is particularly attracted to fermented foods and beverage residues (beer spills). If water is present, adults can live about a month without food, but young nymphs will die of starvation within 10 days. Without food or water, the adults die in less than two weeks.
The common carotid arteries split into two main branches â the internal carotid artery and the external carotid artery. The external carotid artery is the only division of the common carotid that gives branches to the neck region and supplies the external structures of the head and face.
Anterior auricular artery: supplies blood to the front part of the ear. Occipital artery: supplies blood to the skin and muscles of the scalp and back of the head. Posterior auricular artery: supplies blood the scalp, the area behind and above the ear. Supraorbital artery: supplies blood to the upper eyelids and forehead. Infraorbital artery: supplies blood to the muscles of the eye. Ulnar artery: supplies the little-finger side of the arm and palm of the hand. Radial artery: supplies the thumb side of the arm and the back of the hand.