RED things

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Across
  1. 1. Blooms on a bush, beware the thorns
  2. 3. Vehicle on its way to douse a blaze
  3. 5. Flower with a black center, symbol of veterans worldwide
  4. 6. What your cheeks do when you're flustered or embarrassed
  5. 7. Like a birds or a bishop
  6. 9. Little red beetle with black spots
Down
  1. 2. The red parts of the USA flag
  2. 4. Like most conservative politicians
  3. 8. Radio Flyer
  4. 10. It's pumped throughout your body