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... both physically (our bodies move frequently) and mentally - brain activity is even more varied than when awake. There are two states of ... Questions and Answers brain nerve system dreams sleep related problems ...
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... The vertebral arteries feed the subconscious part of the brain, where the control centres of all the autonomous functions of the body ... Questions and Answers brain nerve system exertional headache ...
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... body temperature – a process called thermoregulation. The nerve centre in the brain which controls this is the thermoregulatory centre. When the body ...
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... becoming misaligned. When that happens, blood flow to the brain is affected because the vertebral arteries, which run through a pair of ... Questions and Answers brain nerve system migraines migraine ...
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... time, they cease to have an effect on the blood vessels and nerve endings, so they stop working and the nose becomes permanently blocked. ... carbon dioxide in the blood, which sends signals to the brain of a possible threat and, in response, the nasal passage ways clear. ...
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... the responses are. Hormones also act on specific nerve centres in the brain that produce emotions and corresponding physiological symptoms. Emotions ...
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... is like a fat spiral tube filled with liquid, with numerous nerve endings on its surface. Sound waves enter the ear tunnel and vibrate ... to trigger electrical impulses. These then travel to the brain via the auditory (hearing) nerve, which 'interprets' the impulses as ...
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... run with messages from the central nervous system (the brain and spinal cord) to the muscles, skin and other body organs. Twelve pairs ... and of the diaphragm. The fifth and largest cranial nerve is a mixed nerve, called trigeminal because it has three branches. The ...
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... using radioactive glucose show that certain para of the brain can be hyperactive. But experiences such as coming from a broken family, ... in ADD -the reticular formation. This network of nerve fibers in the brainstem is responsible for regulating the messages to the ...
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... there is decreased blood flow, there is no warmth, so the nerve receptors of the hands and feet whose function is to sense cold send messages to the brain. The result is that you have the sensations you describe. The main ...
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