Question

A message in the brain is "ferried" across the synapse by a _____, which pours out information contained in chemicals when it crosses the synapses.

Answer 1

Answer is neurotransmitter.

Step-by-step explanation:

The neurotransmitters are regarded as chemical messengers that carry messages or transmit signals to neighboring cells.

Examples of neurotransmitters include serotonin, glutamate, endorphin among others.