The nervous system is very complex
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The Nervous System
The nervous system is a very complex system in the body. It has many, many parts. The nervous system is divided into two main systems, the central nervous system (CNS) and the peripheral nervous system.
The spinal cord and the brain make up the CNS. Its main job is to get the information from the body and send out instructions. The peripheral nervous system is made up of all of the nerves and the wiring. This system sends the messages from the brain to the rest of the body.
Nervous System - DVD
Just The Facts: The Human Body - Nervous System
Amazon Price: $14.98 (as of 12/25/2009)
The Facts on DVD
Are you right- or left-handed? Do you remember your first day of school? What are you thinking right now? The answers to these questions go right to the "brains of the operation," the incredible nervous system of the human body. This second part of The Human Body series explores the brain, spinal cord, nerves and the trillions of neurons, or nerve cells, that make our bodies uniquely human.
This book has become a classic in its field.
The Human Central Nervous System
Amazon Price: $79.20 (as of 12/25/2009)
This new edition provides a clear and reliable guide to the structural and functional organization of the human central nervous system and its broad basis in descriptive and experimental neuroscience. Intended primarily for students of medicine and psychology at all levels, the book is also informative reading for practicing neurobiologists.
The Brain Atlas: A Visual Guide to the Human Central Nervous System
Amazon Price: (as of 12/24/2009)
Head to Toe Science: Over 40 Eye-Popping, Spine-Tingling, Heart-Pounding Activities That Teach Kids About the Human Body
Amazon Price: $10.10 (as of 12/24/2009)
Nervous System Links
- Nervous System
- The cell processes information from the sensory nerves and initiates an action within milliseconds. These impulses travel at up to 250 miles per hour, while other systems such as the endocrines may take many hours to respond with hormones.
- BBC - Science & Nature - Human Body and Mind - Body
- Learn all about your body with BBC Science & Nature's guide.
Everyone Needs A Brain
The adult human brain is about 2% of the total body weight.
The elephant brain weighs about 6,000 g.
The cat brain weighs about 30 g.
The average human brain is 140 mm wide.
The average human brain is 167 mm long.
The average human brain is 93 mm high.
The human brain has about 100,000,000,000 (100 billion) neurons.
The octopus brain has about 300 million neurons.
The total surface area of the cerebral cortex is about 2500 sq. cm (~2.5 ft2)
DVD - The Human Body: Nervous System
The Human Body: Nervous System
Amazon Price: $59.99 (as of 12/24/2009)
Explore the nervous system, the biochemical communications network of the human body, through a series of animated sequences that trace the structure of neurons and illuminate biochemical impulses. Revealing visuals are supported by informative features in which a neurologist discusses the chemistry of a nerve impulse, a physical therapist explains the role of therapy in the regeneration of injured nerves, and a pharmacist describes the action of certain nerve-impulse blockers as well as their contraindications
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