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प्रश्न
Define stimulus.
Define the following term:
Stimulus
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उत्तर
A stimulus is an agent or a sudden change in the external or internal environment that changes an organism or body parts. e.g., light, sound, heat, pain, hunger.
संबंधित प्रश्न
Draw the structure of a neuron.
Name the three components of a neuron (or nerve cell).
Name the structural and functional unit of the nervous system.
Draw a flow chart to show the classification of the nervous system into various parts.
Electrical impulse travels in a neuron from:
Compare the nervous system and the endocrine system.
What are thermoreceptors?
What are the functions of proprioceptors?
Complete the following sentence with appropriate word :
A nerve chain between a receptor and an effector organ is called _________.
Long answer question
Krishna was going to school and on the way, he saw a major bus accident. His heartbeat increased and hands and feet become cold. Name the part of the nervous system that had a role to play in this reaction.
