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If someone receives a blow on the back of neck, what would be the effect on the person’s CNS? - Biology

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प्रश्न

If someone receives a blow on the back of neck, what would be the effect on the person’s CNS?

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उत्तर

If someone receives a blow on the back of the neck, it may lead to the dislocation of cervical vertebrae (located right below the skull).

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पाठ 21: Neural Control and Coordination - Exercises [पृष्ठ १२२]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
पाठ 21 Neural Control and Coordination
Exercises | Q 4. | पृष्ठ १२२

संबंधित प्रश्‍न

Briefly describe the Given structure - Eye


Briefly describe the Given structure - Ear


Compare the following:

Central neural system (CNS) and Peripheral neural system (PNS)


Explain the following process:

Polarisation of the membrane of a nerve fibre


Explain the following process:

Depolarisation of the membrane of a nerve fibre.


Explain the following processes:

Conduction of a nerve impulse along a nerve fibre


Write short note on the following: 

Neural coordination


Distinguish between Afferent neurons and efferent neurons.


Examine the diagram of the two cell types A and B given below and select the correct option.


The respiratory centre is present in the ______.


Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells?

Statements 

  1. Cone cells are less sensitive in bright light than Rod cells
  2. They are responsible for colour vision 
  3. Erythropsin is a photo pigment which is sensitive to red colour light
  4. They are present in fovea of retina

Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?


Pleasant smell of food urged Ravi to rush into the kitchen. Name the parts of the brain involved in the identification of food and emotional responses to odour.


The choroid plexus secretes cerebrospinal fluid. List the function of it.


The function of our visceral organs is controlled by ______.


Neural system and computers share certain common features. Comment in five lines. (Hint: CPU, input-output devices).


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