Examlex
What part of the flower attracts pollinators?
Norepinephrine
Norepinephrine is a neurotransmitter and hormone involved in the body's fight or flight response, regulating heart rate, blood pressure, and sugar levels.
Fight or Flight
A physiological response to perceived threat or danger, preparing the body to fight or flee.
Lumbar Puncture
A medical procedure involving the insertion of a needle into the lower part of the spinal column to collect cerebrospinal fluid.
Cerebrospinal Fluid
A clear, colorless body fluid found in the brain and spinal cord, serving as a cushion and providing nutrients to nervous system tissues.
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