Human Body Systems Vocabulary

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Across
  1. 4. A type of protein that speeds up chemical reactions by reducing activation energy
  2. 5. A disorder where a person has a problem processing sugars and regulating insulin
  3. 6. The body system that rids the body of waste
  4. 10. The network of nerves and brain cells that sends electrical signals throughout the body
  5. 12. The process by which reproductive cells are created
  6. 13. the chemical processes that occur within a living organism in order to maintain life
  7. 14. The body system that delivers nutrients and oxygen while also transporting waste
  8. 15. The body system that creates and regulates hormones
Down
  1. 1. The body system that protects the body from outside invaders
  2. 2. The phase of cell life between mitosis divisions
  3. 3. The body System that exchanges gases in the lungs
  4. 7. The process by which cells reproduce
  5. 8. A problem with a person's cells where the cells refuse to die
  6. 9. The amount of energy required to start a chemical reaction
  7. 11. A random change in an organism's DNA
  8. 16. The ability to move or change matter