Second Grade Science Ch. 3

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Across
  1. 3. The bones of the body that hold it up and give it shape.
  2. 4. A muscle that pumps blood to every part of the body.
  3. 7. The tube that goes from your mouth to your stomach.
  4. 9. The number of times a heart beats each minute.
  5. 10. A body part made of muscles that squeeze food and mix it with special juices.
Down
  1. 1. Body parts that help you breathe the air you need to live.
  2. 2. New adult teeth that take the place of first teeth.
  3. 5. The liquid in your mouth that begins to break down food.
  4. 6. Body parts that move your bones and do other jobs.
  5. 8. To break down food in the body.