The influx and outflux of ions (through ion channels during neurotransmission) will make the inside of the target neuron more positive (hence, de-polarized). When this depolarization reaches a point of no return called a threshold, a large electrical signal is generated. This is the action potential.
Pico Rivera, California. Pico Rivera is a city located in southeastern Los Angeles County, California, United States. The city is situated approximately 11 miles (18 km) southeast of downtown Los Angeles, on the eastern edge of the Los Angeles basin, and on the southern edge of the area known as the San Gabriel Valley.
Amtrak stations near Pico Rivera: 1  10 miles: LOS ANGELES (800 N. ALAMEDA ST.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, snack bar, free short-term parking, paid long-term parking, car rental agency, taxi stand, public transit connection.