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The Nervous System: A Complex Network Controlling Mental and Physical Activities

Explore the intricate system of neurons that transmit signals to regulate bodily functions and maintain homeostasis. Learn about the peripheral and central nervous systems, the brain's structure, and common malfunctions and diseases affecting the nervous system.

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The Nervous System: A Complex Network Controlling Mental and Physical Activities

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  1. The Nervous System Haley Brong, Katelyn Gaudet, Daniel Cheon, & Shane Mallee

  2. The Nervous System • Complex Network of Cells • Control Mental and Physical Activities & Maintain Homeostasis • Depends on transmission of neuron signals

  3. Function:Nervous System • Send signals from cell to cell • Two ways to transfer signals • Releasing Hormones • Nervous System uses point-to-point signals called “neurons” • Much higher level of specificity

  4. Peripheral Nervous System Daniel Cheon

  5. Peripheral Nervous System • Connects the CNS to limbs and organs • Split into two sections : • Somatic Nervous System • Responsible for all VOLUNTARY muscle contractions and sensory processing (Sensory & Motor Neurons) • Autonomic Nervous System • Controls internal body conditions (regulates heartbeat, respiration, etc.) • Sympathetic and Parasympathetic Division

  6. Neurons • Nerve cells that process and transfer information • Most organelles are located in the cell body • Dendrites- membrane-covered extensions • Axon- long membrane bound projection

  7. Central Nervous System Shane Mallee

  8. Central Nervous System • Receives information from the body • Controls activity of all parts of the body • Made up of brain and spinal cord

  9. The Brain • Center of Nervous System • 3 lbs. Soft Surface • Split into 3 sections (cerebrum, cerebellum, brain stem) • Divided into 2 hemispheres and 4 lobes • Frontal Lobe , Parietal Lobe, Occipital Lobe, & Temporal Lobe • 3 functional divisions • Primary Sensory, Primary Motor

  10. Nervous System Malfunctions and Diseases Katelyn Gaudet

  11. Malfunctions and Diseases • Stroke • Concussion • Alzheimer’s • Parkinson’s

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