Chemical breakdown is affected by it I just did in zymes treated by the track and accessory organs as well as hydrochloric acid secreted by the stomach the G.I. tract is protected from the corrosive actions of these enzymes and acid by a mucous membrane composed of epithelial cells which secrete mucus and fluid
B. earlier invention, C. education through social media, & D. ending food inspection programs
18 to somewhere around 20-21? Depends what culture tho
