The myelin sheath is the layer of fat cells that insulates most axons and speeds up the transmission of nerve impulses.
It shows that a scientist can be creative because they used the fish's coughing technique to search for contaminated water.
Answer:
Depending on the stimulus, graded potentials can be depolarizing or hyperpolarizing. Action potentials always lead to depolarization of membrane and reversal of the membrane potential. Amplitude is proportional to the strength of the stimulus. ... Duration of graded potentials may be a few milliseconds to seconds.
Explanation:
