1. How do upper and lower motor neurons differ? 2. What are the two key roles of
ID: 3518332 • Letter: 1
Question
1. How do upper and lower motor neurons differ? 2. What are the two key roles of the basal nuclei in movement? 3. How does the control of movement by cerebellum differ from basal nuclei? 4. Which two components of the CNS are largely responsible for homeostatic regulation? 5.Mechanisms of control of homeostasis by the CNS as if you were teaching the topic to a group of students. 6. Which parts of the brain are involved in sleep and circadian rhythms? How is it connected to the level of light?1. How do upper and lower motor neurons differ? 2. What are the two key roles of the basal nuclei in movement? 3. How does the control of movement by cerebellum differ from basal nuclei? 4. Which two components of the CNS are largely responsible for homeostatic regulation? 5.Mechanisms of control of homeostasis by the CNS as if you were teaching the topic to a group of students. 6. Which parts of the brain are involved in sleep and circadian rhythms? How is it connected to the level of light?
2. What are the two key roles of the basal nuclei in movement? 3. How does the control of movement by cerebellum differ from basal nuclei? 4. Which two components of the CNS are largely responsible for homeostatic regulation? 5.Mechanisms of control of homeostasis by the CNS as if you were teaching the topic to a group of students. 6. Which parts of the brain are involved in sleep and circadian rhythms? How is it connected to the level of light?
Explanation / Answer
1)upper motor neurons :-trsnsmits nerve impulses from upper motor neuron to lower motor neuron. It is located in motor region of brain stem
Lower motor neuron:-receives information from upper motor neuron and connects spinal cord and brain stem to -muscle fibres
2)two key roles are:-
3)control of movement by cerebellum:-
Control of movement by basal nuclei:-
4)brain and spinal cord
5)mechanism of control of homeostasis
6)ventrolateral preoptic nucleus of hypothalamus and suprachiasmatic nucleus of the hypothalamus
Exposure to daylight stimulates nerve pathway.the light-dark signals are sent via the optic nerve to the suprachiasmatic nucleus which uses them to reset the circadian cycle everyday
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