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प्रश्न
Which signals will get disrupted in case of a spinal cord injury?
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उत्तर १
In the case of a spinal cord injury, the signals coming from the nerves as well as the signals coming to the receptors will be disrupted. As both of these signals meet in a bundle in the spinal cord, so there is any spinal cord injury, then both of these signals are disrupted.
उत्तर २
The reflex arc connections between the input and output nerves meet in a bundle in the spinal cord. In fact, nerves from all over the body meet in a bundle in the spinal cord on their way to the brain. In case of any injury to the spinal cord, the signals coming from the nerves as well as the signals coming to the receptors will be disrupted.
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संबंधित प्रश्न
The life processes in humans are controlled and regulated by :
(a) reproductive and endocrine systems
(b) respiratory and nervous systems
(c) endocrine and digestive systems
(d) nervous and endocrine systems
Electrical impulse travels in a neuron from:
The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.
(a) What are cells A?
(b) What is the name of (i) branch B, and (ii) branches C?
(c) What is the microscopic gap D known as?
(d) What is the function of cells like A in the human body?
(e) The cells A are of three types. name the three types.
Multiple choice question. Tick (✓) the correct choice:
The coloured part of the eye is called
- retina
- iris
- lens
- pupil
Fill in the blank:
Basic structural unit of the nervous system is the ..................
Name the following:
Highly branched axon's end.
Draw the following diagram:
Draw a neat labeled diagram of a neuron.
Describe the structure and location of various taste buds.
Explain the Term: Ganglion
Mention, if the following statement is True or False
Spinal nerves and cranial nerves constitute the central nervous system.
State the Location of:
Corpus callosum
State the Location of:
Pinnae
State the Function:
Myelin sheath
State the Function:
Acetylcholine
Choose the Odd One Out:
Which of the following is NOT a part of forebrain?
All of the following are true for human brain, EXCEPT ______.
Identify the sensory cranial nerves ____________.
How many spinal nerves are there, and to which groups they belong?
Lateral sulcus separates ______.
