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Multiple Choice
What role does the somatic nervous system play in the human body?
A
It controls voluntary movements of skeletal muscles.
B
It manages the rest-and-digest activities.
C
It is responsible for the fight-or-flight response.
D
It regulates involuntary functions such as heart rate and digestion.
Verified step by step guidance
1
Understand the components of the nervous system: The human nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). The PNS is further divided into the somatic and autonomic nervous systems.
Identify the function of the somatic nervous system: The somatic nervous system is responsible for voluntary control of body movements via skeletal muscles. It involves conscious control and is associated with activities such as walking, talking, and other voluntary actions.
Differentiate between somatic and autonomic nervous systems: The autonomic nervous system controls involuntary functions such as heart rate, digestion, and respiratory rate. It includes the sympathetic and parasympathetic systems, which manage the fight-or-flight and rest-and-digest responses, respectively.
Recognize the role of motor neurons: The somatic nervous system uses motor neurons to transmit signals from the brain to the skeletal muscles, enabling voluntary movement.
Review the options provided: The correct answer is that the somatic nervous system controls voluntary movements of skeletal muscles, distinguishing it from the autonomic system which manages involuntary functions.