Question

Define reflex arc. Why do you think reflex arcs have evolved in animals ? Write the components of reflex arc.​

Answer 1

Explanation:

Reflex arc :- the nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a motor nerve with a synapse between.

In order to perform quick response or actions sensory neurons do not connect directly to the brain, instead they meet in the spinal cord. ... Reflex arc, have evolved in animals, in order to perform quick responses, as the thinking process of brain is not fast enough

Reflex Arc Components.

Most reflex arcs have five main components: receptors, sensory neurons, interneurons, motor neurons and muscles. However, not all reflexes use interneurons

Answer 2

HEY MATE!!

REFLEX ARC:- The path travelled by an impulse in a reflex action is called reflex arc.

Reflex arc, have evolved in animals, in order to perform quick responses, as the thinking process of brain is not fast enough

The components that are most reflex arcs have five main components: receptors, sensory neurons, interneurons, motor neurons and muscles

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