Organisation of the PNS
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Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :
Receptor and effector
The nerves leading to the central nervous system are
Efferent
Afferent
Motor
None
Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :
Receptor and effector
(a) What is the function of our nervous system?
(b) What are the main organs of the human nervous system? Draw a labelled diagram to show the main organs of the human nervous system.
(c) How does the human nervous system work? Explain.
Identify the incorrect statement(s).
I. The nerves carrying impulses from CNS to peripheral system are Sensory nerves or Afferent nerves
II. The nerves carrying impulses from peripheral system to CNS are Motor nerves or Afferent nerves
III. Sensory system coordinates auditory, visual, touch receptors etc.
IV. Motor system coordinates impulses towards effector organs.
Identify the incorrect statement(s) regarding the components of PNS.
I. The nerves carrying impulses from CNS to peripheral system are sensory nerves or afferent nerves.
II. The nerves carrying impulses from peripheral system to CNS are motor nerves or efferent nerves.
III. Afferent nerves bring in impulses from the auditory, visual and touch receptors.
IV. Efferent nerves coordinates impulses towards effector organs.
I and II
III and IV
I and III
II and IV