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Question
Complete the following sentence with appropriate word :
The part of the central nervous system which responds to the reflex action is ________.
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Solution
The part of the central nervous system which responds to the reflex action is Spinal cord.
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RELATED QUESTIONS
Differentiate between following pair with reference to the aspect in bracket.
cerebrum and spinal cord (arrangement of cytons and exons of neurons).
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
Where is this located?
Meninges
Fill in the blank with the function in the following:
Meninges: ______
Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.
The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?
The diagram given below represents the spinal cord of a mammal, seen in a transverse section together with the nerves. Study the diagram and then answer the questions given below:
(i) Label the parts 1—8 indicated by guidelines.
(ii) What do the arrows indicate? What is the pathway indicated termed?
(iii) What type of nerve is shown in the diagram?
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Spinal cord is enclosed in ____________ of vertebral column.
Explain the formation of a typical spinal nerve with the help of a neat labelled diagram.
