Dendrites also branch out from the cell body. They receive messages from the axons of other neurons. Each neuron is connected to thousands of other nerve cells through its axon and dendrites.Groups of neurons in the brain have special jobs. For example, some are involved with thinking, learning, and memory.hey receive messages from the axons of other neurons. Each neuron is connected to thousands of other nerve cells through its axon and dendrites. Groups of neurons in the brain have special jobs.