Reflex actions below the neck are under control of____________?
Correct answer: B. Spinal cord
- A. Brain
- B. Spinal cord
- C. Hypothalamus
- D. none of these.
Explanation
Most reflex actions below the neck are integrated through reflex arcs in the spinal cord, allowing rapid responses without waiting for conscious processing by the brain. Students may choose the brain because it can receive information about the reflex, but the immediate coordination is performed by the spinal cord.
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About Reflexes and the Reflex Arc
A reflex arc shows how a rapid, automatic response travels from a receptor through a sensory neuron, relay neuron and motor neuron to an effector. The topic covers synapses, the spinal cord's role, and the difference between an involuntary reflex action and a slower voluntary response.
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Reflex action below the neck are under the control of:
The given diagram shows a simple reflex arc. Which labeled part has sensory neuron?