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.
Three major arteries branch off the aortic arch: brachiocephalic artery, left common carotid artery and left subclavian artery. The first branch off the aortic arch that provides blood to the head, neck and right upper limb. The left is the second brand of the aortic arch. The right arises from the brachiocephalic artery. Arises from the left common carotid arteries and supply blood to most tissues of the head, except for the brain and orbit.