Ans.
The nervous system can be defined as the system that helps the animals to coordinate its actions through transmitting signals within different parts of body.
-The sympathetic nervous system plays role in regulation of unconscious actions of body and stimulates the fight-or-flight response. During this, it releases hormones that accelerate heart rate and blood pressure.
Thus, option). sympathetic correctly matches with 'raises heart rate.'
-The peripheral nervous system composes all the nerves found in body that lie outward of the spinal cord and brain. It connects the central nervous system to different organs of the body.
Thus, option). peripheral correctly matches with 'runs throughout the body.'
-The central nervous system includes spinal cord and brain. Its main function is to gather all information from the body and coordinate activity.
Thus, option). central correctly matches with 'brain and spinal cord.'
-The autonomic nervous system is a part of nervous system that affects the function of internal body organs. It controls bodily functions, such as = respiration, digestion, and emotions.
Thus, option). autonomic correctly matches with 'digestion and emotion.'
-The somatic nervous system is associated with the control of voluntary controls, such as functioning of skeletal muscles, sensory organs, and skin.
Thus, option). somatic correctly matches with 'sensation and body movement.'