Mia Phillips.   Central- the complex of nerve tissue that controls the activities of the body  Major Parts- Brain, Spinal Cord  Peripheral- outside.

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Presentation transcript:

Mia Phillips

  Central- the complex of nerve tissue that controls the activities of the body  Major Parts- Brain, Spinal Cord  Peripheral- outside the brain and the spinal cord  Major part- Nerve Fibers, Everything else Nervous Systems

 Interaction of Two Neurons

 Simple Reflex Arc.

  A neutral pathway that controls a refelx.  Happens quickly  Autonomic reflex arc.- affects inner organs  Somatic reflex arc.- affects muscles Reflex Arc.

  Sensory Neuron- responsible for converting various external stimuli that comes from the environment in to another stimuli  Motor Neuron- located in central nervous system, controls the muscles Elements of Simple Reflex Arc

 Major Parts of the Brain

  Cerebral Hemisphere- controls movement of the left side of the body, receives info from sensory system, regulates motor movements  Diencephalon- made up of the thalamus, subthalamus, hypothalamus, and epithalamiums  Brain Stem- regulates heart beat, breathing, sleeping, and eating Major Parts of the Brain

 Nerve Impulses

  Role: communicate information throughout the brain and the body  Influence any portion of the brain and just that portion Neurotransmitters

  EPSP- excitatory postsynaptic potential, hyperpolarizing  IPSP- inhibitory postsynaptic potential IPSP and EPSP

  Damage to the spinal cord, bones, tissues, or blood vessels  Could lead to direct injury to the cord Spinal Cord Trauma

  Increased muscle tone  Loss of bladder control  Numbness  Pain  Weakness  Paralysis Spinal Cord Trauma Symptoms

  Realign the spinal bones  Remove fluid or tissue that puts pressure on the spinal cord  Remove bone fragments, disk fragments, foregin objects  Fuse broken spinal bones Spinal Cord Trauma Treatments

 Spinal Cord Trauma Prevention Wear Seat Belts Check water level before Diving Wear Proper Equipment

  An inflammation of the meninges, the membranes that surround the brain Meningitis

  Fever  Headache  Nausea, vomiting  Stiff neck  Confusion  Drowsiness  Seizures Meningitis Symptoms

  Medications  Therapy  Surgery Meningitis Treatments

  Vaccinations Meningitis Prevention

     physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of- a-reflex-arc / physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of- a-reflex-arc /  physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of- a-reflex-arc / physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of- a-reflex-arc /   References

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