ET Nervous System 5/22/24

What consists of the brain and spinal cord?

• Somatic System

• Autonomic System

• Central NS

• Peripheral NS

What consists of the nerves outside the brain and spinal cord.

• Somatic System

• Autonomic System

• Central NS

• Peripheral NS

transmitters that carry impulses from the skin and organs to the spinal cord and brain; afferent neurons

• sensory neurons

• astrocytes

• motor neurons

• efferent nerves

a nerve that stimulates skeletal muscle tissue

• afferent nerves

• motor neurons

• efferent nerves

• astrocytes

a long, thin fiber connected to the neuronal cell body

• axon

• neuron

• gray matter

• astrocytes

branches of a neuron that collect stimuli and transport them to a cell body

• dendrites

• axon

• neuron

• microglia