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.
Arterial Supply of the Brain. Blood supply to the brain is derived from two arteries: (1) the internal carotid artery and (2) the vertebral artery. These arteries and their branches arise in pairs that supply blood to both sides of the brain. The basilar artery is a single artery located in the midline on the ventral side of the brain. The branches of the basilar artery also arise in pairs.