*emergency* in parkinson's disease, this insulating substance fails and prevents accurate neural transmission of signals. a. schwann cells b. nodes of ranvier c. cell body d. myelin sheath

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next