B . Air that is breathed in
Answer:
The small intestine is ___ to the liver. (Superior)
The digestive system contains all four major tissue types, epithelial<span>, connective, muscle and nervous. e</span>pithelial<span> tissue lines the entire length the digestive tract. it is made up of many different types of cells, including goblet cells that secrete mucus.</span>
i think it is rainfall but am not sure...
