Cranial nerves are closely related to which option?
Correct answer: C. 12 pairs
- A. Planaria
- B. Auditory relay centre
- C. 12 pairs
- D. Hydra
Explanation
This option directly corresponds to cranial nerves. Humans have 12 pairs of cranial nerves, which are key components of the nervous system. These nerves emerge directly from the brain or the brainstem and are responsible for sensory and motor functions primarily in the head and neck area. Each pair has a specific name and function, such as the olfactory nerve for smell (I), the optic nerve for vision (II), the facial nerve for facial expressions (VII), and the vestibulocochlear nerve for hearing and balance (VIII). This option is directly related to cranial nerves.
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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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