Advertisements
Advertisements
Question
Answer the following questions briefly:
Explain how the human eye adapts itself to bright light and dim light.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
What are the main organs of the human nervous system?
Write one word in the space provided to complete the second pair of the related words pertaining to the nervous system.
Memory: cerebrum:: breathing:
Balance: cerebellum:: reasoning:
Differentiate between following pair with reference to the aspect in bracket.
sympathetic nervous system and para – sympathetic nervous system (overall effect on body)
Given below is certain structure. Write against them its functional acivity.
Taste bud and …………………..
Distinguish between the following pair of words:
Adrenalin and acetylcholine
What are thermoreceptors?
Name the following:
The dorsal root ganglion of the spinal cord contain cell bodies of which type of neurons.
State the Function:
Cerebrum
Long answer question
Draw the neat labelled diagram of L. S. of the human brain.
