Across
- 2. move blood carrying waste material back to the heart and lungs
- 4. the large organs in the respiratory system that bring oxygen from the air into the body and release carbon dioxide
- 5. help fight disease
- 8. organ in the excretory system that stores and releases urine
- 11. soaks up water and minerals and leaves only the waste
- 14. move blood carrying oxygen away from the heart and to the body
- 15. carry messages that cause growth and other slow changes in the body
Down
- 1. connect arteries and veins
- 3. stop bleeding by sticking together and forming clots
- 6. connect bones together at joints
- 7. the two tubes that connect to the trachea and to bronchioles
- 8. hard organs that have a spongy layer inside and that may help support the body or protect the organs
- 9. produces a hormone that controls the sugar in your blood
- 10. carry nutrients and blood cells throughout the body
- 12. produces hormones that tell other glands what to do
- 13. the place where two or more bones meet