Video #1 nervous system introduction THE NERVOUS SYSTEM Purpose of the Nervous System Communication and control Nervous systems important parts Brain Controls actions, thought and holds memories Nervous systems important parts Spinal Cord Relays information between brain and body Nervous systems important parts Nerves Sends messages to brain and gets messages from brain Nervous systems important parts Neurons Nerve cells that carry information Video #2 Neurons and Nerve cells Problems with the Nervous System Head Injury Brain damage Spinal Injury causes paralysis Addiction mental or physical need for a drug or other substance Keeping the system healthy Do not abuse drugs Use protective gear THINK before taking a risk Get enough sleep (8 or more hours)