Levels of Organization Quiz

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Across
  1. 4. system that secretes hormones to regulate various body functions.
  2. 5. system responsible for taking in oxygen and expelling carbon dioxide.
  3. 8. system responsible for breaking down food and absorbing nutrients.
  4. 10. study of the structure and parts of the body.
  5. 12. system that allows for movement of the body through muscle contraction.
  6. 13. system responsible for producing offspring.
  7. 14. system that provides structure and support to the body and protectorgan systemorgans.
  8. 15. smallest unit of life that makes up all living organisms.
Down
  1. 1. group of similar cells that work together to perform a specific function.
  2. 2. study of how the body and its parts function.
  3. 3. system that includes the skin, hair, and nails, protecting the body and regulating temperature.
  4. 6. system that controls body activities by sending and receiving signals throughout the body.
  5. 7. system that helps protect the body from infection and disease by transporting lymph.
  6. 9. group of organs that work together to perform complex functions in the body.
  7. 11. structure made up of different types of tissues that work together to perform a specific function, like the heart or lungs.