Advertisements
Advertisements
Question
What is meant by receptors and effectors? Give two examples of each.
Advertisements
Solution
A receptor is a cell present in the sense organs that is sensitive to specific stimuli. Example: The eyes have light receptors which can detect light and the ears have sound receptors which can detect sound.
An effector is a part of body which can respond to a stimulus according to the instructions given from the nervous system.
Example: Muscles and glands of the human body.
APPEARS IN
RELATED QUESTIONS
What is the role of the brain in reflex action?
How are involuntary actions and reflex actions different from each other?
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
What is spinal cord? What is its main function?
What is a reflex action? Explain with the help of an example.
Give the various functions of brain.
Which of the following statements is correct about receptors?
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:
Blushing: ……………….
What is the difference between reflex action and voluntary action?
Give one example of a conditioned reflex in your own life.
State whether the following is
Constriction of pupil
Mention, if the following statement is True or False
Reflex action involves brain
Complete the following sentence with appropriate Word
The control of reflex action is through:
In reflex action, the reflex arc is formed by ______
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
