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प्रश्न
Answer the following questions briefly:
Explain how the human eye adapts itself to bright light and dim light.
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उत्तर
The amount of light intering the eye is controlled by muscles of iris. The pupil become layer in less light to allow more light to goin and in bright light it consiricts to restrict the amount of light going in.
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संबंधित प्रश्न
Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
Draw a flow chart to show the classification of the nervous system into various parts.
The life processes in humans are controlled and regulated by :
(a) reproductive and endocrine systems
(b) respiratory and nervous systems
(c) endocrine and digestive systems
(d) nervous and endocrine systems
Fill in the blank:
Peripheral nervous system consists of ...................
Define the following:
Nerve impulse
Give Technical Term:
The receptors which help in the sensation of taste.
Short answer question
Give a reason - Injury to medulla oblongata may prove fatal.
The human nervous system is divided into ______ parts.
What is the third ventricle called?
Complete the following table:
| No. | Name of Nerve | Type of Nerve | Function |
| 1. | Optic | ||
| 2. | Facial | ||
| 3. | Hypoglossal | ||
| 4. | Trigeminal | ||
| 5. | Auditory | ||
| 6. | Glossopharyngeal |
