7(a)
Answer the following:
(i) Draw a well labelled diagram of a 'Neuron' and name the following parts
- Node of Ranvier
- Nissil granules
- Cyton
(ii) Name the part of the human brain which is concerned with the following :
(iii) Mention any three major activities of the WHO.
- (a)Seat of memory
- (b)Coordinates muscular activity
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(i) Well labelled diagram of a Neuron with Node of Ranvier, Nissil granules and Cyton named is shown below:
(ii) The respective parts of the human brain are mentioned below:
- Seat of Memory — Cerebrum.
- Co-ordinates muscular activity — Cerebellum.
(iii) Three major activities of the WHO are:
- To collect and supply information about occurrence of epidemic diseases. Example — Cholera, Typhoid etc.
- To supply information on latest developments about the use of vaccines and about health hazards of nuclear radiation.
- To lay pharmaceutical standards for important drugs.