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प्रश्न
Mention where in the human body is the following located and state its main function:
Central canal
उत्तर
The central canal connects the spinal cord and brain chambers. It contains cerebrospinal fluid, which acts as a shock absorber and facilitates material exchange between neurons.
संबंधित प्रश्न
Give one point of difference between the following on the basis of what is indicated:
Cerebrum and spinal cord. (Arrangement of neurons)
Choose the correct answer.
Number of spinal nerves in human beings ______________
Give Technical Term:
The brain and spinal cord together constitute the system known as.
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
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?
Mention, if the following statement is True or False
Spinal nerves are twelve pair
Identify the odd item from the following series of words.
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
Spinal cord is enclosed in ____________ of vertebral column.
