How do the brain work and its nerves cells?

How the brain work and its nerves cells?

The brain acts as a large computer. It processes the information it receives from the senses and the body and sends messages back to the body. But the brain can do much more than a machine can: humans think and experience emotions with their brains, and that is the root of human intelligence. The brain acts as a large computer. It processes the information it. Read about How the brain works in detail below.

 depo testosterone online receives from the senses and the body and sends messages back to the body. But the brain can do much more than a machine can: humans think and experience emotions with their brains, and that is the root of human intelligence. The human brain is roughly the size of two clenched fists and weighs about 1.5 kilograms. From the outside, it looks like a large walnut, with folds and cracks. Brain tissue is made up of about 100 billion nerve cells (neurons) and a trillion supportive cells that stabilize the tissue.

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brain structure

The brain contains a right hemisphere and a left hemisphere, known as the right and left hemispheres. The two hemispheres are connected by a thick bundle of nerve fibers called the corpus callosum. Each hemisphere consists of six regions (lobes) with different functions. The brain controls movement and processes sensory information. Conscious and unconscious actions and feelings are produced here. It is also responsible for speech, hearing, intelligence and memory.

Here are various sections of the brain, each with its own functions as part of How the brain works:

  • the cerebrum
  • the diencephalon – including the thalamus, hypothalamus, and pituitary gland
  • the brain stem – including the midbrain, pons, and medulla
    • Eat healthy foods. They contain vitamins and minerals that are important for the nervous system.
    • Get a lot of playtimes (exercise).
    • Wear a helmet when you ride your bike or play other sports that require head protection.
    • Don’t drink alcohol, take drugs, or use tobacco.
    • Use your brain by doing challenging activities, such as puzzles, reading, playing music, making art, or anything else that gives your brain a the cerebellumThe functions of the two hemispheres vary greatly: while the left hemisphere is responsible for speech and abstract thinking in most people, the right hemisphere is usually responsible for spatial or image thinking.
    • The right side of the brain controls the left side of the body, while the left side of the brain controls the right side of the hemisphere due to the body. This means that damage to the left stroke, for example, can lead to paralysis of the right side of the body.
    • The left cerebral cortex is responsible for speech and language. The right cortex provides spatial information, such as where your foot is at the moment. The thalamus supplies the brain with withers, among other sensory information from the skin, eyes, and information.
    • The hypothalamus regulates things like hunger, thirst, and sleep. Along with the pituitary gland, it also regulates the hormones in your body.The brainstem transmits information between the brain, cerebellum, and spinal cord, as well as controlling eye movements and facial expressions. It also regulates vital functions such as breathing, blood pressure, and heartbeat.Screenshot 15

      The cerebellum coordinates movements and is responsible for the balance.

      D is responsible for the balance.

      How is the brain supplied with blood?

      The brain needs a constant flow of oxygen, glucose, and other nutrients. For this reason, it has a particularly good blood supply. Each side of the brain receives blood through three arteries:In the anterior part, the anterior cerebral artery supplies the tissues behind the forehead and under the crown (the top of the head). Important point as part of How the brain works.

      The middle cerebral artery is important for the sides and regions within the brain. The anterior and middle cerebral arteries separate from the internal carotid artery, which is a major blood vessel in the neck. The posterior cerebral artery supplies the back of the head, the lower part of the brain, and the cerebellum. It is supplied with blood from the vertebral arteries, which are also major arteries in the neck.

      Before the three arteries reach their “own” brain region, they divide into smaller branches, which are close to each other down the brain. In this area, they are connected to each other by smaller blood vessels – forming a structure similar to a traffic circle. Arteries are connected to each other in other areas as well. The advantage of these connections is that problems with the brain’s blood supply can be compensated to some extent: for example, if a branch of an artery becomes progressively narrower, blood can still flow to the part of the brain that supplies it through these alternative routes. (lateral blood flow). 

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      The smallest branches (capillaries) of the arteries in the brain supply the brain cells with oxygen and nutrients from the blood – but they do not allow other substances to pass as easily as similar capillaries in the rest of the body. The medical term for this phenomenon is “blood-brain barrier”. They can protect the delicate brain from toxic substances in the blood, for example.

      After the oxygen has passed into the cells, the oxygen-poor blood flows away through the brain’s veins (cerebral venules). Veins carry blood into larger blood vessels known as the sinuses. The walls of the sinuses are strengthened by a tough membrane (the dura mater), which helps them maintain their shape as well. This keeps them permanently open and makes it easier for blood to flow into the veins in the neck

      1. cerebrum (say: Suh-REE-Brum)
      2. cerebellum (say: sair-uh-BELL-um)
      3. brain stem
      4. pituitary (say: puh-TOO-uh-ter-ee) gland
      5. The hypothalamus (say: hypo-THAL-uh-mus)

      The Biggest Part: the Cerebrum

      The biggest part of the brain is the cerebrum. The cerebrum is the thinking part of the brain and it controls your voluntary muscles — the ones that move when you want them to. So you need your cerebrum to dance or kick a soccer ball.

      The Cerebellum’s Balancing Ac

      Next up is the cerebellum. The cerebellum is at the back of the brain, below the cerebrum. It’s a lot smaller than the cerebrum. But it’s a very important part of the brain. It controls balance, movement, and coordination (how your muscles work together)

      Pituitary Gland Controls Growth

      The pituitary gland is very small — only about the size of a pea! Its job is to produce and release hormones into your body. If your clothes from last year are too small, it’s because your pituitary gland released special hormones that made you grow. This gland is a big player in growth hormones pen too. This is the time when boys’ and girls’ bodies go through major changes as they slowly become men and women, all thanks to hormones released by the pituitary gland. Important part of article How the brain works.

      Hypothalamus Controls Temperature

      The hypothalamus is like your brain’s inner thermostat (that little box on the wall that controls the heat in your house). The hypothalamus knows what temperature your body should be (about 98.6°F or 37°C). If your body is too hot, the hypothalamus tells it to sweat. If you’re too cold, the hypothalamus gets you shivering. Both shivering and hormones growth are attempts to get your body’s temperature back where it needs to be.

      You Have Some Nerve!

      So the brain is the boss, but it can’t do it alone. It needs some nerves — actually a lot of them. And it needs the spinal cord, which is a long bundle of nerves inside your spinal column, the vertebrae that protect it. It’s the spinal cord and nerves — known as the nervous system — that let messages flow back and forth between the brain and body.

      Emotion Location

      With all the other things it does, is it any surprise that the brain runs your emotions? Maybe you had fun on your birthday and you were really happy. Or your friend is sick and you feel sad. Or your little brother messed up your room, so you’re really angry! Where do those feelings come from? Your brain, of course

      Be Good to Your Brain

      So what can you do for your brain? Plenty. Hope you love reading about How the brain works.

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By Cary Grant

Cary Grant is Owner of Answer Diary, Content Manager at Amir Articles and Mods Diary from the UK, studied MBA in 2014, Love to read and write stories, Play popular Action Games Online.

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