Chapter 29

Central Nervous System: the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord.

Peripheral Nervous System: the nervous system outside the brain and spinal cord.

Somatic Nervous System: the part of the peripheral nervous system associated with skeletal muscle voluntary control of body movements

Autonomic Nervous System: the part of the nervous system responsible for control of the bodily functions not consciously directed

Sensory Neuron: nerve cells within the nervous system

Interneuron: neuron that transmits impulses between other neurons.


Motor neurons: nerve cell (neuron) whose cell body is located in the spinal cord

Neuromuscular junction: is a chemical synapse formed by the contact between a motor neuron and a muscle fiber.

Acetylcholine: functions as a neurotransmitter in animals including humans

Synapse: junction between two nerve cells

Cortex: the outer layer of the cerebrum, a part of the brain

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