Human body organization

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Human body organization

  1. 1. Human Body<br />Levels of Organization<br />
  2. 2. Objectives<br /><ul><li>Describehow tissues, organs, and organ systems are related.
  3. 3. List 11 major organ systems.
  4. 4. Identify how organ systems work together to maintain homeostasis.</li></li></ul><li>Homeostasis<br /><ul><li>The many kinds of cells in your body help your internal environment stay stable.
  5. 5. The maintenance of a constant internal state in a changing environment is called homeostasis.</li></li></ul><li>4 Types of Tissues<br />Cells Form Tissues A group of similar cells working together forms a tissue. Your body has four main kinds of tissue.<br />Epithelial<br />Nervous<br />Muscle<br />Connective<br />
  6. 6. Epithelial<br />Covers and protects underlying tissues.<br />Examples – skin, inside of mouth/nose<br />
  7. 7. Nervous<br />Sends electrical signals throughout the body<br />Examples – Nerves, Brain, Spinal cord<br />
  8. 8. Muscular<br />Made of cells that contract and relax to produce movement<br />Examples – Biceps, quadriceps, tongue<br />
  9. 9. Connective<br />Joins, supports, protects, insulates, nourishes and cushions organs and joints.<br />
  10. 10. Tissues to Organs<br />Tissues Form Organs<br />Two or more tissues working together to carry out a specialized function form an organ.<br />
  11. 11. Working Together<br /><ul><li>Organs Form Systems Organs that work together make up an organ system.
  12. 12. Organ systems work together to maintain homeostasis.
  13. 13. Your body has 11 major organ systems.</li></li></ul><li>11 Organ Systems<br />Muscular<br />Skeletal<br />Digestive<br />Respiratory<br />Nervous<br />Integumentary<br />Endocrine<br />Lymphatic<br />Reproductive<br />Circulatory<br />Urinary<br />

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