Concerning capillaries: They are lined by simple squamous epithelium to ais diffusion and filtration O At thearterial end, they have elastic tissue and thick tunica media O They are responsible for transmitting the forceof cardiac contraction O All capillaries are structurally alike in all the tissues of the body O Blood … Show more… Show more Biology Science Anatomy BIO 203 Share QuestionEmailCopy link Comments (0)