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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
What is the function of receptors in our body?
Put a tick mark (✓) against the correct alternative in the following statement:
The structural and functional unit of nervous system is a
Multiple choice question. Tick (✓) the correct choice:
The brown pigment melanin is present in ____ of skin.
- Epidermis
- Fat cells
- Dermis
- Hair follicles.
State whether the following statement is true (T) or false (F):
The pigment melanin is present in inner layers of skin epidermis.
Briefly describe the structure of the cerebrum in the human brain, and mention its functions.
Define the term:
Sensory neuron
Give Technical Term:
The find cytoplasmic processes of the cell body of a neuron.
Give Technical Term:
The receptors which help in the sensation of taste.
The outermost of the three cranial meninges are ______
What are the parts of the brain stem?
