Question

How brains works?????
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Answer 1

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$\huge\text{\underline{Brain..!!}}$


Human brain can be divided into three parts:


⚫$\sf{\underline{Fore\:brain}}$

⚫$\sf{\underline{Mid\:brain}}$

⚫$\sf{\underline{Hind\:brain}}$


$\text{\underline{1)\:Fore\:brain:}}$


⚫It is the main thinking part of the $\bold{\underline{brain.}}$

⚫Areas are separated in $\bold{\underline{fore\:brains.}}$

⚫Which are responsible for hearing, smell, sight, hunger etc.

⚫Fore brain controls the $\bold{\underline{movement}}$ of voluntary muscles like leg muscles of our body.


$\text{\underline{2)\:Mid\:brain:}}$


⚫Mid brain has large number of $\bold{\underline{nerve\:cells}}$ scattered.

⚫Which are involved in controlling voluntary $\bold{\underline{muscle}}$ activities.

⚫Some amount of $\bold{\underline{visual}}$ and auditory actions are controlled from this area.


$\text{\underline{3)\:Hind\:brain:}}$


⚫Most of the involuntary actions like blood pressure, heart beat, moving of eye ball, vomiting, salivation etc are controlled by the $\bold{\underline{hind\:brain.}}$


⚫It maintain the posture and balance when we $\bold{\underline{bend\:or\:move.}}$


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Answer 2

$\huge\bf\pink{\mid{\overline{\underline{Your\: Answer}}}\mid}$

♣ BRAIN

✍️The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system.

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♣ PARTS OF BRAIN

✍️ The brain is made up of many specialized areas that work together:

♦ The cortex is the outermost layer of brain cells. Thinking and voluntary movements begin in the cortex.

♦The brain stem is between the spinal cord and the rest of the brain. Basic functions like breathing and sleep are controlled here.

♦The basal ganglia are a cluster of structures in the center of the brain. The basal ganglia coordinate messages between multiple other brain areas.

♦The cerebellum is at the base and the back of the brain. The cerebellum is responsible for coordination and balance.

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♣ WORKING OF BRAIN

✍️A nerve cell (neuron) communicates with other cells through electrical impulses when the nerve cell is stimulated.

✍️ Within a neuron, the impulse moves to the tip of an axon and causes the release of neurotransmitters, chemicals that act as messengers.

✍️Neurotransmitters pass through the synapse, the gap between two nerve cells, and attach to receptors on the receiving cell.

✍️This process repeats from neuron to neuron, as the impulse travels to its destination — a web of communication that allows you to move, think, feel and communicate.