Examlex
Factor the expression completely. If the expression is prime, so indicate.
Neurotransmitter
Chemical substances that transmit signals across a synapse from one neuron to another in the brain and nervous system.
Hormone
A chemical substance produced in the body that influences physiological activity by being transported in tissue fluids such as blood to stimulate specific cells or tissues into action.
Endorphins
Neurotransmitters produced by the brain that act as natural painkillers and are also associated with feelings of pleasure or euphoria.
Neurotransmitters
Chemical messengers that transmit signals across a synapse from one neuron to another in the brain and nervous system.
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