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प्रश्न
Draw a labelled diagram of the following:
Brain
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उत्तर
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संबंधित प्रश्न
Draw neat and labelled diagrams of a myelinated neuron
Name the following :
The layer of the eyeball that forms the transparent Cornea
Mention the exact location of Malleus
Define the following:
Axon
Bipolar neurons are found in ______
The neurons which carry impulse from the central nervous system to the muscle fibre.
Nerve cells do not possess ______
Which type of neuroglial cells are depicted in the given diagram?
Identify the INCORRECT statement regarding multipolar neuron.
As compare to medullated nerves, the conduction of impulse by non-medullated nerve fibres is ______ times faster.
Which nerves transmit impulses from the central nervous system towards muscle cells?
A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ____________.
Chemicals which are released at the synaptic junction are called ______.
Identify the parts of a neuron which help the nerve impulse to travel towards the cell body.
The basic structural and functional unit of brain is ______.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Axon endings - Dendrites - Axon - Perikaryon - Dendron (Neuron structur)
Define the following term:
Nerve
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
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- Write the technical term for the diagram.
- Name two organs of our nervous system where these cells are richly found.
- How are these cells significant for us?
- Name the cell organelle that is absent in these cells and how does it affect our body metabolism?
- Redraw the same figure and label the following Perikaryon, Axon, Dendrites, Myelin sheath and Node of Ranvier.
