C. Short-Answer Questions 1. Compare the CNS and the PNS. 2. Describe the micros

Question

C. Short-Answer Questions 1. Compare the CNS and the PNS. 2. Describe the microscopic appearance of an astrocyte. 3. Molecules of what substances are stored in synaptic terminals? List six types of glial cells, and indicate which are found in the CNS and which are found in the PNS 4. D. Application and Analysis Which type of glial cell in the CNS is found in the white matter of the brain and spinal cord? 1. While observing a microscopic specimen of nerve tissue from the brain, you notice an axon encased by a different cell. Describe the covering over the axon and identify the cell that has surrounded the axon. 2. E. Clinical Challenge motor end plates of skeletal muscle fibers. How does this condition affect muscle activity?

Explanation / Answer

Nervous system mainly divided in to central nervous system (CNS) and peripheral nervous system (PNS). The CNS comprised of brain and spinal cord, where as PNS comprised of cranial nerves (arising from brain) and spinal nerves (arising from spinal cord). The CNS cntrol all voluntary functions of body, and the PNS control and influences invioluntary functions of body. The CNS involves sensory nerves and motor nerves that are linked with brain and spinal cord. PNS is a network of spinal and cranial nerve that are linked to brain and spinal cord on one end and muscles on the other end. The CNS connected to peripheral parts of body by peripheral nervous system.

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