What is the tunica externa of an artery made of?Multiple choice question.endotheliuma thin serous membraneconnective tissue with irregular elastic and collagen fibersa network of small capillaries

What is the tunica interna?Multiple choice question.the middle layer of a blood vessel walls composed of smooth musclethe outermost layer of a blood vessel walls composed of loose connective tissuethe inner lining of a blood vessel's wall composed of simple squamous epitheliumthe branching of vessels observed in the heart

What is the inner lining of blood vessels called?Multiple choice question.metica tunicatunica internatunica mediatunica externa

The tunica media of a blood vessel is mostly __________ muscle.Group of answer choicescardiacfibrousskeletalsmooth

Which layer of a blood vessel wall is the thickest and contains smooth muscle?Multiple choice question.tunica mediatunica externatunica interna

Fill in the Blank QuestionFill in the blank question.The middle layer of the blood vessel wall is the tunica .