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NERVOUS SYSTEM NOTES

NERVOUS SYSTEM NOTES. Page 486 in the Blue Books. The Nervous System Includes…. Brain Spinal cord Nerves. Its function is to…. Receive information about what is happening inside and outside the body Directs the way the body responds Maintains stable internal conditions.

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NERVOUS SYSTEM NOTES

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  1. NERVOUS SYSTEM NOTES Page 486 in the Blue Books

  2. The Nervous System Includes… • Brain • Spinal cord • Nerves

  3. Its function is to… • Receive information about what is happening inside and outside the body • Directs the way the body responds • Maintains stable internal conditions.

  4. Structure info: • Brain • ● controls most functions in the body • Spinal cord • ● thick column of nerve tissue that links the brain to the peripheral nerves. • Nerves • ● bundles of nerve fibers – carries messages from the brain

  5. How is structure and function related? • Enables nerve impulses to be carried to allow movement, thought, sensations/senses.

  6. Taking care… • Don’t Do Drugs! • Eat balanced diet and drink plenty of water • exerciseregularly

  7. Diseases/Conditions of the Nervous system: • Stroke– blockage of artery to brain causing damage to nerves/brain. • Alzheimer’s – degeneration of nerve connections that cause memory loss.

  8. Fun Facts: • The nose can distinguish at least 50basic odors. The sense of smell and taste determine the flavor of food. • When your head moves, the fluid in the inner ear moves bending hair-like structures in the ear. This lets the brain know the position of your body. If the brain senses that you are losing your balance, it sends impulses to muscles that help you restore your balance.

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