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प्रश्न
Explain the difference between of the following pair of terms :
receptor and effector
उत्तर
| Receptor | Effector |
| A receptor is a cell (or a group of cells) present in a sense organ which is sensitive to a particular types of stimuli such as light, sound, smell, taste, heat and pressure. | An effector is a part of the body which can respond to a stimulus according to the instructions sent from the nervous system. |
| Eyes have light receptors; ears have sound receptors, etc. | Muscles and glands are examples of effectors. |
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संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
What is meant by receptors and effectors? Give two examples of each.
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.
Receptor : Sensory nerve :: Motor nerve : ______.
Complete the following statement by choosing the correct alternative from the choice given in bracker:
Reflex action is controlled by
(i) brain (ii) spinal cord
(iii) autonomic (iii) peripheral nervous system
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
In reflex action, the reflex arc is formed by ______
A change in the environment that causes an animal to react is called ______.
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
