Question

1. what is the name for a neurotransmitter that helps move messages throughout the nervous system? endorphin serotonin estrogen adrenalin

Explanation:

• Endorphins primarily regulate pain and pleasure responses.
• Serotonin is a neurotransmitter that facilitates signal transmission across the nervous system, also regulating mood, sleep, and digestion.
• Estrogen is a sex hormone, not a neurotransmitter.
• Adrenalin (epinephrine) is a hormone/neurotransmitter focused on stress responses, not general nervous system message movement.

Answer:

B. serotonin