Control and coordination are the functions of the nervous system and âĶâĶâĶ in our body.
hormones
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Central nervous system consists of âĶâĶâĶ and âĶâĶâĶ .
brain, spinal cord
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Number of cranial nerves
12 pairs
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Number of spinal nerves
31 pairs
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The nervous system uses âĶâĶâĶ impulses to transmit messages.
electrical
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Name the fluid that is found between the cranium and brain
Cerebrospinal fluid
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Which of the following option shows the order of events correctly when a bright light is focused on our eyes? (a) Bright light â receptors in eyes â sensory neuronà spinal cord â motor neurons â eyelid closes (b) Bright light â receptors i
Bright light â receptors in eyes â sensory neuron TO spinal cord â motor neurons â eyelid closes
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Which nerves transmit impulses from the central nervous system towards muscle cells?
Motor nerves
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banana
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shark
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Which of the following options shows the mechanism of the travelling of sense in our body after our nose senses a smell? (a) Olfactory receptors â dendritic tip of a nerve cell â axon â nerve ending â release of the signal dendritic tip of
(a) Olfactory receptors â dendritic tip of a nerve cell â axon â nerve ending â release of the signal dendritic tip of another nerve cell
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A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called
synapse
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How will information travel within a neuron? (a) Dendrite -> cell body -> axon -> nerve ending (b) Dendrite -> axon -> cell body -> nerve ending (c) Axon -> dendrite -> cell body -> nerve ending (d) Axon -> cell body -> dendrite -> nerv