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प्रश्न
State whether coughing is a voluntary action or reflex action.
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उत्तर
Reflex actions are those actions which we do without thinking to protect ourselves. Coughing is a reflex action as it clears our windpipe.
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संबंधित प्रश्न
Briefly explain the following terms : Reflex action
Name one gustatory receptor and one olfactory receptor present in human beings.
Name the most important part of the human brain.
Name two parts of the body which contain receptors of chemical stimuli.
What is spinal cord? What is its main function?
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
Define reflex arc. Give the flow chart of a spinal reflex arc.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
Differentiate between the following pair of terms:
Stimulus and impulse
With the help of suitable example, describe reflex action.
List in tabular form two differences between reflex action and walking.
Reflex action is controlled by the
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
State whether the following is
The sudden application of brakes without thinking
State whether the following is
Blinking
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
Which of the following is an example of unconditioned reflex?
The reflex arc which is made up of one sensory and one motor neuron is ______
