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Answer:
The human brain is the command center for the human nervous system. It receives signals from the body's sensory organs and outputs information to the muscles. The human brain has the same basic structure as other mammal brains but is larger in relation to body size than any other brains.The largest part of the human brain is the cerebrum, which is divided into two hemispheres, according to the Mayfield Clinic. Underneath lies the brainstem, and behind that sits the cerebellum. The outermost layer of the cerebrum is the cerebral cortex, which consists of four lobes: the frontal, parietal, temporal and occipital. [Nervous System: Facts, Functions & Diseases]
Like all vertebrate brains, the human brain develops from three sections known as the forebrain, midbrain and hindbrain. Each of these contains fluid-filled cavities called ventricles. The forebrain develops into the cerebrum and underlying structures; the midbrain becomes part of the brainstem; and the hindbrain gives rise to regions of the brainstem and the cerebellum.
Explanation:
It is completely normal to get results that do not support the hypothesis.
If a scientist encounters this, he/she should refine (change) the hypothesis and perform the experiment again.
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Answer:
In multiple sclerosis the cells that are the target of an autoimmune attack are the nerve cells of central nervous system.
Explanation:
Autoimmune disease is a specific type of immune disorder in which body produce antibodies against its own antigen .
Multiple sclerosis is also an autoimmune disease in which the nerve cells of central nervous system are attacked by the body"s own antibody.This ultimately interfere with the proper functioning of nerve cell that is to communicate with the other parts of the body'
The symptoms of Multiple sclerosis includes both physical and mental disorders,loss of vision. weakness of muscle etc.
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