The Human Brain

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by spvynbx54
Last updated 4 years ago

Discipline:
Science
Subject:
Human Anatomy
Grade:
8

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The Human Brain

It controls body temperature, blood pressure, heart rate and breathing.It accepts a flood of information about the world around you from your various senses (seeing, hearing, smelling, tasting and touching).It handles your physical movement when walking, talking, standing or sitting.It lets you think, dream, reason and experience emotions.

The Human Brain

What is the Brain?

An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.

The brain is the command-central for your body.The brain is divided into regions that control various functions, such as movement, speech and balance. Damage to a region may affect the functions it controls, causing symptoms such as loss of movement, difficulty speaking, or loss of coordination.

The Importance.

Citations:

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The cerebrum - the front of the brain.The largest part of the brain located in the front is the cerebrum. The cerebrum is responsible for:MovementBody temperatureTouchVisionHearingJudgmentReasoningProblem solvingEmotionsLearning

The brainstem - the middle of the brain.The brainstem controls vital functions of the body, including:BreathingConsciousnessCardiac functionInvoluntary muscle movementsSwallowingMovement of the eyes and mouthRelaying sensory messages (pain, heat, noise, etc.)Hunger

Some parts of the brain, and the purposes to it.

Weight. The weight of the human brain is about 3 lbs.2.Cerebrum. The cerebrum is the largest part of the brain and makes up 85% of the brain’s weight.3.Skin. Your skin weighs twice as much as your brain.4.Gray matter. The brain’s gray matter is made up of neurons, which gather and transmit signals.5.White matter. The white matter is made up of dendrites and axons, which create the network by which neurons send their signals.6.Gray and white. Your brain is 60% white matter and 40% gray matter.7.Water. The brain is made up of about 75% water.8.Neurons. Your brain consists of about 100 billion neurons.9.Synapses. There are anywhere from 1,000 to 10,000 synapses for each neuron.10.No pain. There are no pain receptors in the brain, so the brain can feel no pain.

The gray and white matter The central nervous system is made up of two types of tissue: the grey matter and the white matter.The grey matter serves to process information in the brain. Structures within the grey matter process signals generated in the sensory organs or other areas of the grey matter. The white matter connects various grey matter areas of the brain to each other, and carry nerve impulses between neurons.


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