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Human Sensory Organs

What initiate...

Question

What initiates an impulse in a sensory neuron and which division of the nervous system includes all integrating centres for reflexes?

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Solution

The receptor is the part of the neuron and detects a stimulus and this initiates an impulse in a sensory neuron. Spinal cord includes all integrating centres of reflexes.

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\begin{matrix} Neuron & Function 1. Sensory neuron & a. Conduct impulses from CNS to effector organs. 2. Motor neuron & b. Integration in nervous system. 3. Association neuron & c. Conduct impulses from sensory organs to CNS. \end{matrix}

Q. Fill in the blanks with appropriate words.
Vertebrate nervous systems are divided into two major divisions the central nervous system, which includes the .......... , and .......... and the .......... nervous system, which includes all neurons other than those in the brain and spinal cord

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Q. Rearrange the following in the correct sequence pertaining to what is given within brackets at the end.
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