1.

 Write in a tabular form the different parts of human brain and their functions.

Answer»
Parts of the Brain Functions
Fore brain
i.Olfactory lobes
 Sense of smell 
ii.CerebrumSeat of mental abilities, controls thinking, memory, reasoning perception, emotions and speech, responds to cold, heat, pain and pressure.
iii.DiencephalonRelay centre for sensory impulses such as pain, temperature and light, reflex center for muscular activities, centre for certain emotions such as anger, centre for water balance, blood pressure body temperature, sleep and hunger. The hypothalamus controls the pituitary gland.
Mid brainRelays motor impulses from cerebral cortex to spinal cord and relays sensory impulses from the spinal cord to hypothalamus, reflexes for sight and hearing.
Hind brain Maintains posture, equilibrium and muscle tone. Co-ordinates voluntary movements initiated by cerebrum.
Medulla oblongataCentre for cardiac, respirations and vasomotor activities. Co-ordinates reflexes like swallowing, coughing, sneezing and vomiting.



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