Divisions of the Nervous System
Door Cassie Benge
1. Parasympathetic Nervous System
1.1. "rest or digest"
1.2. relaxes the body to conserve energy
1.2.1. pupils contract
1.3. aids in digestion
2. Sympathetic Nervous System
2.1. "fight or flight"
2.2. speeds up body functions to react
2.2.1. heart rate, breathing
3. Autonomic Nervous System
3.1. regulates involuntary functions
3.1.1. no conscious involvement
3.2. "vital life functions"
3.2.1. Sympathetic NS
3.2.2. Parasympathetic NS
4. Central Nervous System
4.1. brain & spinal cord
4.1.1. meninges
4.1.2. cerebrospinal fluid
4.1.3. reflexes & responses
4.2. behavior & mental processes
4.2.1. thoughts & emotions
5. Peripheral Nervous System
5.1. communicates with CNS
5.1.1. Somatic NS
5.1.2. Autonomic NS
6. Somatic Nervous System
6.1. sends motor messages to muscles
6.2. voluntary movement
6.2.1. conscious