A motor nerve carries impulses from:
Correct answer: D. CNS to effectors
- A. Spinal nerves to effectors
- B. Effectors to cranial nerves
- C. Effectors to CNS
- D. CNS to effectors
Explanation
Efferent neurons are meant to conduct messages from CNS to the effectors as they are emerging from CNS. That is why they are known as motor neurons.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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