1. By: Christine Solis & Shelby Ciena

2. WHY IS IT IMPORTANT!?! It controls and regulates all bodily functions, such as your heart and lungs, digestion and muscle control. It is made up of the: –Brain –Spinal cord –Spinal nerves

3. COMPONENTS OF THE NERVOUS SYSTEM The nervous system is composed of the brain and spinal cord. It contains sympathetic and parasympatheti c nerves.

4. ANATOMY & PHYSIOLOGY YAYY! It controls speech and emotion Sensory awareness, language, awareness of your surroundings Responsible for visual stimuli and memories. Concerned with emotional development and processing of sound.

5.  CNS: Central Nervous System! Consists of the brain and spinal cord.  PNS: Peripheral Nervous System!! It lays outside the brain and spinal cord.  SNS: Sympathetic Nervous System!!! Controls the reduction of digestive secretions, rate of the heart, and the contracting of blood vessels.  ANS: Autonomic Nervous System!!!! Controls involuntary actions of the smooth muscles.  Sympathetic!!!!! Arises from the thoracic and lumbar regions. Functions in opposition to the parasympathetic system.  Parasympathetic!!! Consists of nerves that arise from the cranial and sacral regions. Functions in opposition to the sympathetic system. KEY TERMS HOMIE!

6. Marijuana- it affects the users judgment motor skills and short term memory. Can cause an increase heart rate, make user extremely anxious or paranoid. Meth- mood changes, and also feel very anxious. Cocaine- effects the body and emotions. Alcohol- it slows down the body and making it difficult to think clearly. Drug and Alcohol Are Bad.

7. Diseases of the nervous system. Multiple Sclerosis- Causes shaking of limbs, involuntary movements of eyes, and affects young adults. Sciatica- Pain is felt down the back and outer side of the thigh, leg, and foot. Caused from the compression of a nerve.

8. END! http://www.mayoclinic.co m/health/multiple- sclerosis/DS00188http://www.mayoclinic.co m/health/multiple- sclerosis/DS00188 http://www.abovetheinflu ence.com/facts/drugs- alcohol.aspx#http://www.abovetheinflu ence.com/facts/drugs- alcohol.aspx# http://kidshealth.org/kid/h tbw/brain.html