us Figure 15.2: Comparing Somatic Motor and Autonomic Innervation Drag and drop

Question

us Figure 15.2: Comparing Somatic Motor and Autonomic Innervation Drag and drop the labels on the left to correctly match the statements/phrases on the right. Answers may be used more than once or not at a View Available Hint(s) Reset Help Sympathetic nervous Cell bodies are located in the thoracolumbar region of the spinal cord Some preganglionic fibers synapse with the adrenal gland The heart is a target system Parasympathetic nervous 2. system Both Neither 3. Cell bodies are located in the brain stem. 5. Preganglionic fibers are long 6. Skeletal muscles are targets. Submit

Explanation / Answer

1. Sympathetic nervous system- cell bodies are located in the thoracolumbar region.

2. Sympathetic nervous system -some preganglionic fibres synapse with the adrenal gland. The cells of adrenal gland are modified postganglionic sympathetic fibres

3. Both sympathetic and parasympathetic- heart is target organ.sympathetic is excitatory and parasympathetic is inhibitory.

4. Parasympathetic nervous system- cell bodies are present in the brain stem.

5. Parasympathetic nervous system -preganglionic nerve fibres are long. Because they come all the way from brain stem.

6. None- none of them has skeletal muscles as target organ. They only supply cardiac and smooth muscles and hence control involuntary actions only.

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