Answer:A flatworm has a simple nervous system with two nerve cords running down both of its sides. ... While a fish's nervous system is comprised of a central brain and a spinal cord along with many branching nerves, which allows them to sense things around them
Explanation:
A flatworm has a very mild nervous system with pair nerve cords moving down each side. It has two single brains called ganglia, which are pure packages of nerves. ... Fish have extremely advanced nervous systems organized around a brain.
brainliest?
Answer:
extra calcium
Explanation:
it binds to the vesicles in the terminal axon and induces exocytosis. If there is more calcium, more neurotransmitter will be released
D - Allow pH to change drastically.
The reason that we have buffer in our system is to protect AGAINST sudden change of pH
Answer:
I think the answer is C. regulation.
Explanation:
I hope this helps! Correct me if I am wrong.
