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Body Systems

Body Systems. Objective. Explain the functioning of the major human organ systems and their interactions. Organ Systems. composed of organs and tissues which perform specific functions and interact with each other ,

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Body Systems

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  1. Body Systems

  2. Objective • Explain the functioning of the major human organ systems and their interactions.

  3. Organ Systems • composed of organs and tissues which perform specific functions and interact with each other, • examples: digestion, gas exchange, excretion, circulation, locomotion, reproduction, and protection from disease.

  4. Organ Systems • Tissues, organs, and organ systems help to provide all cells with nutrients, oxygen, and waste removal.

  5. Digestive System • organs that are responsible for the mechanical and chemical breakdown of foodinto small molecules • These smaller molecules are transported and absorbed by cells.

  6. Cell Respiration • During respiration, cells use oxygen to release the energy stored in food

  7. Respiratory System • The respiratory system supplies oxygen and removes carbon dioxide (gas exchange).

  8. Excretory System • Disposes of dissolved waste molecules, the elimination of liquid and gaseous wastes, and the removal of excess heat energy.

  9. Excretory System • Disposes of dissolved waste molecules, the elimination of liquid and gaseous wastes, and the removal of excess heat energy.

  10. Circulatory System • moves substances to cells that need them (oxygen, glucose) • move substances from cells where they are made (hormones)

  11. Locomotion • necessary to escape danger, obtain food and shelter, and reproduce • skeletal and muscular systems coordinated by the nervous system

  12. Locomotion Nervous system • necessary to escape danger, obtain food and shelter, and reproduce • skeletal and muscular systems coordinated by the nervous system

  13. Nervous and Endocrine Systems • coordinate the body’s responses to changes in the environment, and to regulate growth, development, and reproduction.

  14. Hormones • Brainpop! • Hormones are chemicals produced by the endocrine system; hormones regulate many body functions.

  15. Reproductive System • The male and female reproductive systems are responsible for producing sex cells • necessary for the production of offspring

  16. Disease • breaks down the structures or functions of an organism

  17. Disease • Some diseases are the result of failures of the system

  18. Infectious Disease • some disease is the result of infection from other organisms

  19. Infectious Disease • Bacterial infections Staph bacteria Strep bacteria

  20. Infectious Disease • Viral infections

  21. Immune System • Specialized cells protect the body from infectious disease. • The chemicals they produce identify and destroy microbes that enter the body.

  22. Immune System • Specialized cells protect the body from infectious disease. • The chemicals they produce identify and destroy microbes that enter the body. White Blood Cells

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