What function is specific to the neuron

A neuron is a brain cell, and it can send and receive information

I will give an example: Imagine you poked your finger, the receptors in your skin would pass on a message to your central nervous system (Brain/ Spinal Cord). This would then pass a synapse where neurotransmitters diffuse across one neuron to another

Holozoic nutrition refers to the regular animal nutrition mode whereas saprophytic nutrition refers to the nutrition mode of fungi and bacteria.