The Heart: Our Circulatory System: Criss Cross

Answer clues based on the content and vocabulary words from The Heart: Our Circulatory System. Look for hints in the Word Bank. Print the puzzle or use on your tablet, phone, or computer.

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Check Puzzle

Across

  • 1. Each time your heart squeezes together, it pushes _____ around your body.
  • 5. Your heart weighs about as much as one of your _____, about ten ounces.
  • 7. The heart, blood, and web of blood vessels make up your _____ System.
  • 8. Blood is carried around your body through blood vessels or _____.
  • 9. Your heart _____ squeeze together sixty to one hundred times each minute.
  • 11. Your heart never stops. It is a most incredible _____.

Down

  • 2. The constantly moving blood brings food and _____ to each cell of your body.
  • 3. Each side of the heart has two hollow _____.
  • 4. Blood enters the heart through the _____.
  • 6. The ______, the lower chambers of the heart, are heavier and stronger than the atria.
  • 10. Your heart is divided into two halves by a thick wall of muscle called the _____.

Word Bank

muscles
blood
pump
veins
sneaker
septum
chambers
atria
ventricles
oxygen
circulatory