Deep Oceans

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Deep Oceans

  1. 1. Survival In Deep Oceans Laina Stuebner Biology II Period 4
  2. 2. Homeostasis <ul><li>The maintenance of a constant internal environment. </li></ul><ul><li>Works to maintain the organism's internal environment within tolerance limits. </li></ul>
  3. 3. Normal Conditions <ul><li>Body Temperature between 96.7-98.2 degrees Fahrenheit </li></ul><ul><li>Atmospheric Pressure of 1 atmosphere </li></ul>
  4. 4. Organ Systems Effected <ul><li>Respiratory </li></ul><ul><li>Cardiovascular </li></ul><ul><li>Nervous </li></ul>
  5. 5. Effects on Respiratory System <ul><li>Air is compressed, so each breath has more oxygen and nitrogen molecules filling the lungs </li></ul><ul><li>Excess nitrogen molecules settle in the bloodstream </li></ul>
  6. 6. Effects on Cardiovascular System <ul><li>Excess nitrogen molecules settle in blood stream </li></ul><ul><li>Less oxygen is carried by blood, depleting oxygen in other organs </li></ul><ul><li>Nitrogen bubbles in blood stream can expand as pressure decreases, causing intense pain </li></ul>
  7. 7. Effects on Nervous System <ul><li>Less oxygen is available for the brain </li></ul><ul><li>Nerves become less responsive </li></ul><ul><li>Response time is greatly increased due to lack of oxygen </li></ul>
  8. 8. Overall Effects <ul><li>Lack of oxygen causes brain to shut down </li></ul><ul><li>Decreased temperature causes certain organs to cease functioning </li></ul><ul><li>Nitrogen in bloodstream causes less oxygen to be carried </li></ul>
  9. 9. Necessary Equipment <ul><li>SCUBA Compressed Air tank with a pressure regulator to provide air </li></ul><ul><li>Wetsuit to control body temperature </li></ul>
  10. 10. Can Humans Survive in Deep Oceans? <ul><li>No, the human body cannot adapt to the increased pressure and lack of oxygen in the deep ocean </li></ul>

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