Question

4. How do the signals be delivered to the brain?

Answer 1

Answer:

When neurons communicate, the neurotransmitters from one neuron are released, cross the synapse, and attach themselves to special molecules in the next neuron called receptors. Receptors receive and process the message, then send it on to the next neuron. 4. Eventually, the message reaches the brain.

Answer 2

Answer:

by electric impulse in cochlea