Question

What are reflex action ? What is its utility?

Answer 1

Answer:

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A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain. The reflex is then an automatic response to a stimulus that does not receive or need conscious thought

Within economics, the concept of utility is used to model worth or value. Its usage has evolved significantly over time. The term was introduced initially as a measure of pleasure or satisfaction within the theory of utilitarianism by moral philosophers such as Jeremy Bentham and John Stuart Mill.

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Answer 2

it is defined as being an involuntary action controlled by spinal cord. significance: it allows up to protect us from any sudden stimulus which may harm us.