Card Set Information

2010-05-15 02:42:30
body systems

science half yr
Show Answers:

  1. identify and give examples of multicelular organisms
    • examples include
    • human
    • plants
    • fungi
    • animals
    • eubacteria
    • arehaebacteria
    • any thing that has 1 cell
  2. describe how cells form tissues tissues form organs and organs form body systems
  3. explain why multicellular organisms require specialised organs and systems
    the life processes that these organisims need to carry out to stay alive are performed by different types of cells.
  4. outline the need for respiration in animals
    respiration is needed in animalsto trasnsport oxygen from the air around us to the cells within us
  5. describe the role of the circulatory system
    the system that delivers oxygen and nutrients throughtout the body by a complex network of vessels; arteries, capillaries, veins. arteries and cappilaries carry oxygenated blood away from the heart and veins carry deoxygenated blood back to the lungs to be reoxygenated
  6. describe the role of the respiratory system
    • the respiratory (or breathing) system allows for the exchange of gasses between thebody and outside (air).
    • this system refers to the group of organs that enables the body to obtain oxygen from air.
  7. outline the structure and locations of components of the circulatory and respiratory systems and their functions
    refer to images in email or my pics