body systems puzzle

1234567891011121314151617181920
Across
  1. 2. big artery that leaves the heart carrying this oxygenated blood
  2. 5. connects the very small artery branches to very small veins
  3. 6. the valve that separates the left atrium from the left ventricle
  4. 11. the muscles made up of fibers that have horizontal stripes when viewed under a microscope.
  5. 12. The cerebellum coordinates the muscle movements ordered by the motor cortex
  6. 13. the muscle that contracts when you bend your elbow
  7. 16. the valve that separates the right atrium from the right ventricle
  8. 17. the solid, hard outside part of the bone
  9. 18. controls your pulse, thirst, appetite, sleep patterns, and other processes in your body that happen automatically
  10. 20. middle of the forebrain
Down
  1. 1. the bone which looks like a sponge, is inside compact bone
  2. 3. makes new bone and help repair damage
  3. 4. sits underneath the back end of the cerebrum
  4. 7. the part of the digestive system as well as the respiratory system because it carries both food and air
  5. 8. carries messages from the sensory organs like the eyes, ears, nose, and fingers to the cortex
  6. 9. mature bone cells which help continue new born formation
  7. 10. the muscle in the heart
  8. 14. tiny hairs that protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air
  9. 15. a small flap of tissue, covers the air-only passage when we swallow, keeping food and liquid from going into the lungs
  10. 19. he top part of the air-only pipe