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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
Write the names of the indicated parts 1 to 6 in the following diagram:
What are the short fibres of a neuron known as?
Name the three types of nerves which constitute the peripheral nervous system.
The junction between two adjacent neurons is called :
(a) nerve junction
(b) sensory junction
(c) synapse
(d) neuro-muscular joint
The organ A which is located inside the skull of our body is protected by a bony shell B. It is surrounded by three layers membranes C. The spaces between these layers are filled with a liquid D which protects organ A from mechanical shocks. Organ A in combination with another organ E makes up the central nervous system.
(a) What is organ A?
(b) What are B, C and D?
(c) Name the organ E.
(d) While walking barefoot, if we happen to step on a sharp piece of stone, we immediately lift our foot up. Which of the two organs: A or E, is directly involved in this action?
(e) If we step out from a darkened room into bright sunlight, we close our eyes for a moment. Which of the two organs: A or E, is directly involved in this action?
Given alongside is the diagram of a neuron. Name the parts numbered 1-5.
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
With the help of a suitable diagram describe the structure of a neuron.
Name the following:
Nerve which carry impulse from sensory receptor to CNS.
Which acts as a link between the nervous system and endocrine system?
Stimulation of nerves of the sympathetic nervous system ______.
