Q: Reflex arcs are evolved in animals for quick and efficient responses. Which one of the following sequences correctly represents a reflex arc?
(a)Receptor—Sensory neuron—Relay neuron in spinal cord—Brain—Motor neuron—Effector
(b)Receptor—Sensory neuron—Brain—Relay neuron in spinal cord—Motor neuron—Effector
(c)Receptor—Motor neuron—Relay neuron in spinal cord—Sensory neuron—Effector
(d)Receptor—Motor neuron—Brain—Sensory neuron—Effector
Correct Answer: (b)
Detailed explanation coming soon.