Advertisements
Advertisements
प्रश्न
Briefly explain the following terms : Reflex action
Advertisements
उत्तर
Reflex action:
A reflex action is an involuntary and quick response of the body initiated because of a stimulus. The commands for a reflex action originate from the spinal cord.
APPEARS IN
संबंधित प्रश्न
A neuron which carries an impulse to the brain is called a ______ neuron.
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
List in tabular form three distinguishing features between cerebrum and cerebellum.
State whether the following is
The sudden application of brakes without thinking
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
Give an example for conditioned reflexes.
