Examlex
Which of the following constitutes the principal venous drainage of the thoracic organs?
Somatic Nervous System
The part of the peripheral nervous system that handles voluntary control of body movements through control of skeletal muscles.
Spinal Cord
A long, thin bundle of nervous tissue and support cells that extends from the brain down the vertebral column; it is central to transmitting neural signals between the brain and the rest of the body.
Cerebrum
The largest part of the brain, responsible for higher brain functions such as thought, action, and emotion.
Corpus Callosum
The large band of neural fibers connecting the two brain hemispheres and carrying messages between them.
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