What are chemicals called that facilitate impulse transmission between neurons?

What are chemicals called that facilitate impulse transmission between neurons?

• A. Neurotransmitters
• B. Hormones
• C. Electrolytes
• D. Enzymes

Answer: (A)

Neurotransmitters are specialized chemical messengers that play a crucial role in the communication between neurons in the nervous system. When an electrical impulse, or action potential, reaches the end of a neuron, it triggers the release of neurotransmitters from synaptic vesicles into the synaptic cleft (the space between neurons). These chemicals then bind to specific receptors on the surface of the adjacent neuron, leading to the continuation or modulation of the nerve impulse.

This process is essential for many functions including motor control, sensory perception, mood regulation, and overall neural communication. Each type of neurotransmitter has a specific function and effects in the nervous system, thus making them vital in maintaining proper neural signaling and functioning.