Question

What is reflex action and its advantage

Answer 1

A reflex action is a quick,immediate,spontaneous and automatic response to any external or internal stimulus generally without the involvement of the brain and the spinal cord.

The advantages are:

• It helps to protect the body from stimulus.
• It is quick and hence effective.
• It helps us to survive a quick abnormality.
• The brain is not affected.
• It avoids accidents as the reflex action is fast enough to avoid danger
• It causes minimum pain as we act faster due to reflex action

For example:when you touch a hot object you immediately move your hand away.

Hope it helps you.

Answer 2

Answer:

Action that is done in a hurry is a reflex action, reflex action saves us from unfavourable conditions.

Explanation:

• Quick action in response to any stimulus is referred to as a reflex action.
• For example, if you touch the hot cup of tea, your hand immediately make distance with the hot cup tea.
• We do not take think or take time to do reflex action.
• Reflex action is a type of involuntary action.
• Reflex action protects us during dangerous conditions.
• Closing of an eye when something moves toward it is an example of the reflex action, that protects our eyes.

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