Question

What are the similarities between lungs and small intestine ?

Answer 1

Explanation:

they both have the material to increase surface area

Answer 2

Answer:

In the case of the respiratory system the major materials moving through it are oxygen and the waste product carbon dioxide. The digestive and respiratory system share some common spaces. The digestive system is composed of the mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum and anus............................