These unusual neurons receive normal input signals which they turn into PSPs and also release transmitter in the normal fashion at their terminals. However, Vulcans have no Na ions either intracellularly or extracellularly. They utilize another ion to depolarize the cell. C. A band D. Myofibril E. Myosin 13. Muscle relaxation is caused by the uptake of calcium back into the sarcoplasmic reticulum .
Some bats are unable to echolocate.
Because the feed during the day using vision and other senses to detect their food.