Biology Vocabulary Crossword

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Across
  1. 3. a type of protein that speeds up a chemical reaction in living things
  2. 6. the muscle of the heart
  3. 9. rapid muscle contractions that create heat to warm the body
  4. 11. connective tissue that connects muscle to bone
  5. 12. the substance in the liver that breaks down fats particles
  6. 13. growth in relation to the force of gravity
  7. 14. connective tissue that keeps bones from rubbing together
  8. 16. these are the muscles you are able to control
  9. 19. connective tissue that connects bone to bone
Down
  1. 1. sugar used by cells
  2. 2. involuntary muscle contractions that move food along the digestive tract
  3. 3. this system can also be called the urinary system
  4. 4. fats are also called this
  5. 5. digestive process where food is chewed
  6. 7. this system includes the heart, blood vessels, and blood and transports substances through the body
  7. 8. breaking down food
  8. 10. system that includes skin, hair, nails, and mucous membranes
  9. 15. type of digestion where enzymes break down food
  10. 17. allows plants to grow in relation to a light source
  11. 18. gets rid of excess heat through poors in the skin