FOOD AND NUTRITION Post author By Post date All Questions › Category: Secondary School › FOOD AND NUTRITION 0 Vote Up Vote Down Stano asked 9 months ago Why are the walls of the alimentary canal lined with mucus Click here to ask any question, or do your assignment. Get answer fast. RelatedYour Answer 6 + 15 = Your Email Your Name PublicOnly Me & Admin ← Maths → Refraction of lenses