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प्रश्न
Explain the difference between of the following pair of terms :
receptor and effector
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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 do we detect the smell of an agarbatti (incense stick)?
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
What are the various sense organs in our body?
Give the various functions of brain.
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Which of the following statements is correct about receptors?
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
Explain the mechanism of reflex action with the help of a suitable diagram.
List in tabular form three distinguishing features between cerebrum and cerebellum.
Define the following:
Reflex action
Give one example of a conditioned reflex in your own life.
State whether the following is
The sudden application of brakes without thinking
State whether the following is
Cleaning
State whether the following is
Salivation when food is put in the mouth.
Mention, if the following statement is True or False
Reflex action involves brain
In reflex action, the reflex arc is formed by ______
Which of the following is not an involuntary action?
