Biology, asked by mukulsony8179, 1 year ago

Write notes humain brain short defination

Answers

Answered by locomaniac
2
aloha user!
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Brain controls the activities of body. It helps in thinking, reasoning, learning etc.
moreover, it secrets hormones which help in growth of body. the pituitary gland is known as the master gland because it controls the secretions of other glands present in the body. it has got 4 lobes so it is also known as copra quadrigemina. the brain is made of billions of neurons.


it has many parts:


forebrain: it helps in thinking, reasoning, learning etc. it has got diencephalon and telencephalon. the diencephalon has moreover got thalamus and hypothalamus. telencephalon has got cerebrum- the biggest part of brain.

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midbrain: it helps in transmission of information between forebrain and hindbrain. the midbrain has optic tectum ( the upper part ) which helps in getting information related to vision and sounds.

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hindbrain: it has got three parts-medulla oblongata, pons and cerebellum. 

☆ medulla: it helps to regulate breathing.
☆ pons verolli: it helps to connect upper and lower parts of brain.
☆ cerebellum: it controls posture and balance.

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furthermore it has got 4 lobes as i wrote above. which are:


☆ frontal lobe
☆ temporal lobe
☆ parietal lobe
☆ occipital lobe

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hope it helps :)



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