science vocab

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Across
  1. 2. of soft tissue throughout your body
  2. 4. systems-a biological system consisting of a group of organs that work together
  3. 5. system- is made up of your brain, spinal cord and nerves. It carries messages between your brain and the rest of your body.
  4. 7. circulatory system- there are no vessels to contain the blood
  5. 8. an external supportive covering of an animal
  6. 11. chemical substances you get from food.
  7. 12. functional elements in the body
  8. 14. The process of breaking down food into substances the body can use for energy
  9. 15. system- receives and processes information that generates an individual's awareness of their environment.
Down
  1. 1. A calorie is a unit of energy.
  2. 3. is the process by which green plants and certain other organisms transform light energy into chemical energy.
  3. 6. system- excretory system is a passive biological system that removes excess
  4. 9. of similar cells and their extracellular matrix from the same eorigin
  5. 10. differentiation- is the process in which a stem cell changes from one type to a differentiated one.
  6. 13. circulatory system- keeps blood within vessels