Answer:
Carbon dioxide moves in; oxygen moves out
Explanation:
Answer: c
Explanation:
i just got done with that test
Answer: C) Apical
Explanation: An epithelium has a free surface, the apical surface, exposed to the outside, and an attached surface, the basal surface, resting on the underlying connective tissue.
Answer:
a. All of these
Explanation:
All of these options are correct