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प्रश्न
Differentiate between following pair with reference to the aspect in bracket.
sympathetic nervous system and para – sympathetic nervous system (overall effect on body)
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उत्तर
| Sympathetic Nervous System | Parasympathetic Nervous System |
| Sympathetic nervous system prepares the body for violent action against the abnormal condition. | Parasympathetic nervous system is concerned with re-establishing normal conditions after the violent act is over. |
संबंधित प्रश्न
Name two systems which taken together perform the functions of control and coordination in human beings.
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.
Differentiate between rods and cones.
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called ..........................
Define the term:
Sensory neuron
Define the following:
Neuron
what do we refer to in the nervous system when we say:
somatic and autonomic …………………..
State the Location of:
Corpus callosum
Which cells of PNS secrete myelin sheath around the nerves?
Think of situations where receptors do not work properly. What problems are likely to arise?
