Video Transcript
Fill in the blanks. The primary function of the nervous system is to receive information from external and internal blank and coordinate blank. (A) Neurons, reflexes; (B) environments, responses; (C) stimuli, movements; (D) dendrites, impulses.
This question asks us about the primary functions of the nervous system, so we can begin by discussing the nervous system itself. The nervous system is composed of the central and peripheral nervous systems, and these are made up of neurons, neuroglia, and other supportive cell structures. The peripheral nervous system is composed of all of the nerves outside of the brain and spinal cord.
The nerves of the peripheral nervous system help carry out two main functions. First, the peripheral nervous system gathers sensory information from internal and external environments. This sensory information is then transmitted to the central nervous system. The central nervous system is composed of the brain and the spinal cord. These two components help the central nervous system carry out its two main functions. The first main function is to process all of the gathered sensory information from the peripheral nervous system.
Then, the brain carries out the second main function of the central nervous system, which is to determine and coordinate an appropriate motor response to the processed sensory information. This motor response is then taken by the peripheral nervous system to fulfill its second main function, which is to transmit the motor response to the muscles, organs, and glands.
So, in summary, the central nervous system processes sensory information gathered from the internal and external environments by the peripheral nervous system. Then, the central nervous system coordinates the motor response, which is to be carried out by the peripheral nervous system.
Now that we have discussed the primary functions of the nervous system, we’re able to answer our question correctly. Therefore, the complete sentence should read, “The primary function of the nervous system is to receive information from external and internal environments and coordinate responses.”
