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प्रश्न
Give Reason:
Why injury to medulla oblongata results in death?
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उत्तर
Medulla oblongata controls involuntary functions like heartbeat, rate of respiration, secretion of saliva gut peristalsis, etc. Injury to the Medulla oblongata may result in the stop of heartbeat and breathing leading to death.
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संबंधित प्रश्न
What is the long fibre of a neuron known as?
Name the structural and functional unit of the nervous system.
In a synapse, chemical signal is transmitted from :
(a) axon to cell body of the same neuron
(b) cell body to axon end of the same neuron
(c) dendrite end of one neuron to axon end of adjacent neuron
(d) axon end of one neuron to dendrite end of adjacent neuron
Fill in the blank:
Central nervous system consists of ................. and ................
Define the following:
Neuron
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
Draw a well-labeled diagram of a Neuron.
State the Location of:
Corpus callosum
What is the function of the red nucleus?
What is arbour vitae?
