Examlex
An action potential travels more quickly down an axon if the axon is
Nervous System
A collection of neurons and their interconnected fibers responsible for sending nerve messages across the body, integrating physical activities and sensory inputs.
Hormones
Chemical substances produced in the body that regulate the activity of cells or organs.
Psychologists
Professionals who study mental processes and behavior in humans and animals.
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.
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