NCERT Solution for Class 10 Science Chapter 7
Control and Coordination
NCERT Books for Session 2020-2021
CBSE Board and UP Board
Intext Questions
Page No-119
Questions No-1
What is the difference between a reflex action and walking?
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NCERT Solution for Class 10 Science Chapter 7
Control and Coordination
NCERT Books for Session 2020-2021
CBSE Board and UP Board
Intext Questions
Page No-119
Questions No-1
Reflex action is a nerve mediated, automatic involuntary response to a stimulus without consulting the will. It is controlled by spinal cord. it needs an instantaneous response to a stimulus where delay can be harmful. On the other hand, walking in a straight line is a conscious, voluntary response. It is controlled by a part of hind-brain called cerebellum. It does not need an instantaneous response.
Walking is a voluntary action and is part of routine activities. On the other hand, reflex action is involuntary and happens as a response to a sudden danger to a voluntary organ.
Reflex action are the involuntary actions that occur in response to stimuli. They occur
without involvement of conscious areas of brain. All the reflex actions are unconscious
actions. Reflex action occurs brain and spinal cord of central nervous systems.
On the other hand voluntary actions are those which occur under the control of cerebellum of the brain Walking is learnt as we grow. Walking is controlled by brain as is used when
required.
A reflex action is a rapid, automatic response to a stimulus. It does not involve any thinking. It is an involuntary action which is a rapid and automatic response.
Walking, on the other hand, is a voluntary action, which requires our thinking and is within our control. It is performed as per the instructions of the brain.
A reflex action is an involuntary action which is a rapid and automatic response to stimuli.
Walking is a voluntary action, which requires our thinking and is within our control.
Reflex action is performed by automatically. It is control and coordinated by the spinal cord. It is an involuntary action.
Walking is a reaction to the signal transmitted by the nerve to the muscles. Here, thinking is involved. Brain instructs and controls the muscles of the leg to for moving. It is a voluntary action.
• A reflex action is a rapid, automatic response to a stimulus. It does not involve any thinking. For example, we close our eyes immediately when the bright light is focused.
• Walking, on the other hand, is a voluntary action. It is under our conscious control.
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