What are reflex actions? Give two examples. Explain a reflex arc.

1.	What are reflex actions? Give two examples. Explain a reflex arc.
Answer» Reflex action is an involuntary action by the body.Reflex is an action generated by the body in response to the environment.Example : Blinking of eyes when a foreign particle gets in them.Sneezingif an unwantedparticle enters the nose. Watering of mouth at the sight or smell of good food. In a reflex arc, the sensory neuron sends a signal to the interneuron and activates it. The interneuron then relays that signal to the next neuron, a motor neuron. Motor neurons connect with interneurons in the spinal cord. They send messages from the central nervous system to the body.

Answer»

Reflex action is an involuntary action by the body.Reflex is an action generated by the body in response to the environment.Example :

Blinking of eyes when a foreign particle gets in them.Sneezingif an unwantedparticle enters the nose. Watering of mouth at the sight or smell of good food.

In a reflex arc, the sensory neuron sends a signal to the interneuron and activates it. The interneuron then relays that signal to the next neuron, a motor neuron. Motor neurons connect with interneurons in the spinal cord. They send messages from the central nervous system to the body.

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