Describe the functions of the sympathetic and parasympathetic divisions of the autonomic nervous system.provide a real life example that demonstrates the effects of these two systems in humans.

1: how do neurons communicate? In your description,be sure to include the parts of a neuron and what happens at the synapse.
2. Describe the functions of the sympathetic and parasympathetic divisions of the autonomic nervous system.provide a real life example that demonstrates the effects of these two systems in humans.
3.Discuss why psychologists are interested in studying identical twins that have been raised in different environments. B) what is the main conclusion of these studies
4.who is phineas gage? What is his story?