Nervous system Flashcards
1
Q
What do neurons have? (4)
A
Cell body, dendrites, axon, axon terminals
2
Q
What are the differences of a vertebrates NS?
A
More complex, central & perioheral more separated, hierarchy
3
Q
What is peripheral NS split into?
A
Peripheral split into somatic and autonomic. Autonomic split into sympathetic & parasympathetic
4
Q
What is the input and output for the autonomic NS?
A
No input, output is involuntary control (muscles + glands)
5
Q
What is the input and output for the somatic NS?
A
Input is sense organs, output is voluntary control (skeletal)
6
Q
Describe the polysynaptic reflex arc
A
Sensory/motor neurons connected via interneurons. Sensor + effector in diff locations, spinal cord generates complex movement patterns
