Structure and Function of Arteries, Capillaries, and Veins. The walls of arteries and veins have three layers or tunics: 1  An outer layer (tunica adventitia) of connective tissue with collagen fibers. 2  A middle layer (tunica media) of circularly arranged smooth muscle and elastic fibers.
You might have heard that eating chocolate or greasy foods can cause acne, but these are both just myths. The truth is that food has little to do with breakouts. Acne occurs when the openings of hair follicles become blocked with oil secretions, dead skin cells and bacteria.
Food. Always eat before drinking, especially foods high in protein. Having food in your stomach will help slow down the processing of alcohol. A person who has not eaten will hit a peak BAC typically between 1/2 hour to two hours of drinking. A person who has eaten a peak BAC typically depending on the amount of alcohol will occur between 1 and 6 hours.