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The latest Messages 28
2021-12-18 06:54:32
Anatomy of your Brain @neetshort_notes
224 views03:54
2021-12-18 06:51:35
Roles of ELECTROLYTES
@neetshort_notes
225 viewsedited 03:51
2021-12-16 11:13:33
55 views08:13
2021-12-16 11:13:32
RATIONAL MOTION @neetshort_notes
59 views08:13
2021-12-14 16:41:05
Human Brain
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Intro
The brain of a human being is the central organ of the nervous system.
The human brain consists of three parts namely the cerebrum, the brainstem and the cerebellum.
The brain of a human being plays significant role, as it controls most of the activities of the human body.
The brain is located inside the head, and protected by the skull bones.
The brain consists of more than 86 billion neurons and almost equal number of other cells as well.
Brain activity is made possible because of the interconnections of all the neurons that are linked together.
The study of brain functions is known as neuroscience.
An adult human brain weighs about 1.2 to 1.4 kg (i.e. average weight); which is about 2% of the total body weight.
Parts of Human Brain
A human brain is primarily classified as the −
➭ Forebrain
➭ Midbrain
➭ Hindbrain
Forebrain is largely made up of cerebrum, thalamus, hypothalamus and pineal gland.
Midbrain is largely made up of a portion of the brainstem.
Hindbrain largely made up of the remaining brainstem, cerebellum and pons.
Further, the (brain) hemisphere is conventionally classified into four lobes namely −
➭ Frontal lobe
➭ Parietal lobe
➭ Temporal lobe
➭ Occipital lobe
The naming is done according to the skull bones that overlie them.
Cerebrum
Divided into nearly symmetrical left and right hemispheres by a deep groove, the cerebrum is the largest part of the human brain.
Cerebrum normally controls higher brain functions including language, logic, reasoning, and creativity.
Functions of Human Brain
Perceive or sense the signal coming from the (external) environment
Giving sense of feelings and emotion
Regulating and controlling the human behaviors
Regulating and controlling the physical action
Regulating the memory function
Process of thinking (and other cognitive process)
@neetshort_notes
279 viewsedited 13:41
2021-12-13 06:51:52
(GRAPHS)RECTILINEAR MOTION CASES@neetshort_notes
415 views03:51
2021-12-13 06:50:05
Sperm pathway through male Reproductive tract@neetshort_notes
413 views03:50
2021-12-12 18:56:48
Syllabus - 4
#NEET-2022
Physics➥ Work, Energy & Power
➥ Circular Motion,
➥ Magnetic effect of current and Magnetism.
Chemistry➥ Chemical Kinetics
➥ Equilibrium
➥ Ionic Equilibrium.
Biology➥ Principles of Inheritance and variation
➥ Microbes in human welfare,
➥ Biotechnology : Biotechnology and Its Applications.
424 views15:56
2021-12-12 00:21:30
CONCEPT MAP - PERIODICITY IN PROPERTIES@neetshort_notes
479 views21:21
2021-12-12 00:19:01
Power, Voltage, current, Resistance@neetshort_notes
462 views21:19