different between neurons vs nephrons

neurons

neurons From the web:

• what neurons carry messages to the brain
• what neurons are found in the motor cortex
• what neurons are involved in a reflex arc
• what neurons are in the central nervous system
• what neurons relay information to the brain
• what neurons release norepinephrine
• what neurons release acetylcholine
• what neurons are in the peripheral nervous system

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nephrons

nephrons From the web:

• what nephrons do
• what nephrons traverse the renal cortex
• what nephrons are responsible for the concentration of urine
• what nephrons filter blood
• what nephrons control urine concentration
• what nephrons does
• what nephrons in each kidney
• nephrons what do they do