Answer:
"Macrophages" cells are commonly dispersed (mixed in) with simple columnar epithelial cells. They are responsible for secreting mucus.
Explanation:
adaption - adaption - adaption - adaption - adaption
These were soft and boneless creatures I just took the test I hope this helps :D
What are the statement choices?
Answer:
2 b
3 b
the others I really don't understand, they are incomplete or misspelled
