Biology
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Diencephalon — Cerebellum — Medulla oblongata — Pons — Cerebrum — mid brain (sequence of parts of human brain).
Nervous System
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Answer
Cerebrum — diencephalon — mid-brain — cerebellum — pons — medulla oblongata.
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The diagram given below shows the internal structure of spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
(a) Name the phenomenon shown in the figure and define the same.
(b) Identify the parts labelled as 1 and 2. Write one functional difference between these two.
(c) Name the bony protective covering and the membranous protective covering of the spinal cord.
(d) Label the guidelines 3 and 4.
(e) How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
(f) Give the technical term for the point of contact between the two nerve cells.
(g) Name the fluid filled inside the central canal of spinal cord.
(h) Name the term used for a small gap between two neurons.
(i) Give one example of a neurotransmitter.
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The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
(a) Write the technical term for the diagram.
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(c) How are these cells significant for us ?
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