The nervous system
by Boris Karren Martínez
1. Anatomical
1.1. Central Nervous System
1.1.1. Brain Stem
1.1.1.1. connects brain to spinal cord
1.1.2. Brain
1.1.2.1. divided according to lobes
1.1.3. Spinal Cord
1.1.3.1. connects brain and peripheral nervous system
1.2. Peripheral Nervous System
1.2.1. Somatic nervous system
1.2.1.1. controls voluntary muscles
1.2.1.2. serves the skin, skeletal muscles, and tendons
1.2.2. Autonomic nervous system
1.2.2.1. Sympathetic nervous system
1.2.2.1.1. Arouses body expend energy
1.2.2.2. controls involuntary body functions
1.2.2.3. Parasympathetic nervous system
1.2.2.3.1. calms body to conserve and maintain energy
2. Types of cells
2.1. Neruon: main cells
2.1.1. Sensory Neurons
2.1.1.1. takes messages to the CNS
2.1.2. Interneurons
2.1.2.1. Always in the spinal cord CNS
2.1.3. Motor neurons
2.1.3.1. send the signal from the CNS to the effector