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Composition
Weighing about 3 pounds in the average adult, the brain is about 60% fat. The remaining 40% is a combination of water, protein, carbohydrates and salts. The brain itself is a not a muscle. It contains blood vessels and nerves, including neurons and glial cells.
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Brain
The brain is a complex organ that controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger and every process that regulates our body. Together, the brain and spinal cord that extends from it make up the central nervous system, or CNS.
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Working Principle
The brain sends and receives chemical and electrical signals throughout the body. Different signals control different processes, and your brain interprets each. Some make you feel tired, for example, while others make you feel pain.
Some messages are kept within the brain, while others are ...
45
262 reads
Working Principle
The brain sends and receives chemical and electrical signals throughout the body. Different signals control different processes, and your brain interprets each. Some make you feel tired, for example, while others make you feel pain.
Some messages are kept within the brain, while others are ...
41
268 reads
Related collections
Other curated ideas on this topic:
Neurophysiology 101
- Neurons are the nervous system cells transmitting electromagnetic signals using action potentials and neurotransmitters.
- Glia is the non-neuronal system cell keeping the neurons healthy and working.
- Cerebrospinal Fluid or CSF is the fluid that ou...
The Somatic Nervous System
The somatic system is responsible for transmitting sensory information as well as voluntary movement. The system contains two major types of neurons:
- Motor neurons. They carry information from the brain and spinal cord to muscle fibe...
The nervous system
- It is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body's electrical wiring.
- Structurally, the nervous system has two components: the central nervous sys...
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