Science cross word

12345678910111213141516171819
Across
  1. 3. The beats 3 billion in the average persons life
  2. 5. When food leaves your esophagus it enters the
  3. 6. may live fore about 4 months to circle your body
  4. 9. Is a substance that breaks up fat particals
  5. 12. The human body has about muscles in your head and neck
  6. 13. The skeletal system produces
  7. 14. it takes about 20 sec for a red blood cell to circle the whole body
  8. 15. the filters the gases for oxygen
  9. 17. A buzzing fly is a
  10. 19. The skeletal consists of 206
Down
  1. 1. directs air to the lungs
  2. 2. intestine the is part of the digestion
  3. 4. attach to bones
  4. 7. Supports the body and protects your organs
  5. 8. The circulatory system includes vessels
  6. 10. A is what your body dose
  7. 11. The is the main part of a human body were most muscle are located
  8. 16. the are the main part of your respiratory system
  9. 18. neuron A sends a impulse to a muscle or gland