Question

Which of the following best support the function of electrical signals in the nervous system?

Each nerve cell is connected to the brain by electrical signals.
Nerve cells communicate with the brain by sending out electrical signals
Electrical signals keep nerve cells alive.
Electrical signals are used to get rid of waste produced in the nervous system.

Answer 1

they said it above me

Step-by-step explanation:

Answer 2

Each nerve cell is connected to the brain by electrical signals

Step-by-step explanation: