Answer: I believe the Lateral Lines are made of mechanoreceptors called neuromasts....
I know that hair cells, like the ones inside a human ear, are used as well.
A is the answer to this question
exocytosis is the answer, here is the definition: a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.
B-monomer
I am not sure about the second one but i think it's C
The cranial nerves are a set of 12 paired nerves that arise directly from the brain. The first two nerves (olfactory and optic) arise from the cerebrum, whereas the remaining ten emerge from the brain stem.
The names of the cranial nerves relate to their function and they are also numerically identified in roman numerals (I-XII).
In this article, we shall summarise the anatomy of the cranial nerves.