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