Valentine's Day Science Crossword

12345678910111213141516171819
Across
  1. 5. Your _________ beats over 100,000 times a day.
  2. 6. There is a heart-shaped ____________ called Heart Rock in Joshua Tree National Park.
  3. 8. Zebrafish can regrow or _____________ their hearts.
  4. 9. An _________ has 3 hearts.
  5. 12. Oxytocin is known as the "________ hormone."
  6. 13. Fairy flies have the world's __________ hearts.
  7. 15. The right side of your heart pumps blood into your _______.
  8. 16. The color ______ has the longest wavelength.
  9. 19. A small reef just off the Great Barrier Reef in ___________, is shaped like a heart.
Down
  1. 1. A blue whale's heart weighs about 400 _________.
  2. 2. Your heart pumps over 2,000 _________ of blood a day.
  3. 3. Four ________ have cities named Valentine.
  4. 4. There are about 60,000 miles of blood _________ in your body.
  5. 7. Other than the cornea, every _______ in the human body gets blood from the heart.
  6. 8. Nearly 250 million ________ are grown in preparation for Valentine's Day each year.
  7. 10. ________ hearts were originally medical lozenges.
  8. 11. This African bird is where the term "lovebird" comes from because these birds travel in pairs.
  9. 14. These types of animal have 4 chambered hearts.
  10. 17. A mangrove swamp in New Caledonia naturally occurs in the ________ of a heart,
  11. 18. Cupid was originally a __________ god.