Examlex
Compute the cross product a × b.
Norepinephrine
A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate and blood pressure.
Sodium
A chemical element (Na) that is essential for life, often found in salt.
Neurotransmitters
Chemical messengers that transmit signals across synapses between neurons in the nervous system.
Norepinephrine
A neurotransmitter and hormone involved in arousal, as well as in learning and mood regulation.
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