Knowledge Acquisition Activity

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Across
  1. 2. Supply raw materials for growth and repair of structures such as skin and muscle.
  2. 6. System which helps protect the body from disease; collects fluid lost from blood vessels and returns it to the circulatory system.
  3. 7. Help the body absorb fat-soluble vitamins and are a part of cell membranes, nerve cells, and certain hormones.
  4. 9. Is technically part of the digestive system because it produces bile, which aids in the digestion of fats.
  5. 12. System which guards against infection and injury and ultraviolet radiation from the sun; helps to the body temperature.
  6. 14. System which recognizes and coordinates the body´s response to changes in its internal and external environments.
  7. 16. Describes the constant internal physical and chemical conditions that organisms maintain despite changes in internal and external environment.
  8. 17. System which brings in oxygen needed for cellular respiration and removes excess carbon dioxide from the body.
  9. 20. System which produces gametes; in females, nurtures and protects developing embryo.
  10. 23. System which supports the body; protects internal organs.
  11. 24. A group of cells that perform a single function.
Down
  1. 1. Is the amount of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius.
  2. 3. System which controls growth, development, and metabolism.
  3. 4. The tissue that lines the interior and exterior body surfaces is called.
  4. 5. System which transports oxygen, nutrients, and hormones to cells; fights infection.
  5. 8. Molecules absorbed into the blood and carried to cells throughout the body.
  6. 10. Are a major source of energy for the body.
  7. 11. Tissue by which movements of the body are possible.
  8. 13. System which eliminates waste products from the body.
  9. 15. The most important nutrient.
  10. 18. A group of different types of tissues that work together to perform a single function or several related functions is called.
  11. 19. Basic unit of structure and function in living things.
  12. 21. System which breaks down food; Absorbs nutrients.
  13. 22. A type of tissue that provides support for the body and connects its parts.