Which of the following is lined with epithelial cells?

a. stomach

b. lungs

c. mouth

d. all of the above

it is your lungs

Explanation:

epithelial cells line the insides of the lungs, the gastrointestinal tract, the reproductive and urinary tracts, and make up the exocrine and endocrine glands.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )