The answer is Mouth/Teeth
Answer:
The correct answer is stem cells
It rains, water moves and erodes the land and creates valleys and rivers.
Rather, each myelin sheath insulates the axon over a single long section and, in general, each axon comprises multiple long myelinated sections separated from each other by short myelin sheath-gaps called nodes of Ranvier. ... In the CNS, axons carry electrical signals from one nerve cell body to another.
Cytoplasm. This photo should help explain it!
