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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
Which parts of the body form the central nervous system?
What is a neuron?
Find the odd-one out, giving reasons:
Pinna, eardrum, cochlea, ear canal
Fill in the blank:
Peripheral nervous system consists of ...................
Describe the two parts of the nervous system.
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
What are the functions of proprioceptors?
Give Technical Term:
The part of the central nervous system in which the gray matter is located on the outer side and the white matter on the inner side.
What are masses of grey matter located in white matter in the cerebral hemisphere?
Trace the sequence of events which occur when you suddenly touch a hot object.
