The Human Body System
Across
- 4. cushions bones from impact
- 6. a special white blood cell that "eats" harmful
- 11. windpipe
- 13. regulates amount of of sugar in the bloodstream
- 17. connects muscles to bones
- 19. long tube that is part of the digestive system. There is a large one and a small one.
- 23. tiny veins that pick up oxygen
- 24. your heart beating is an example of an ___________ muscle
- 25. where your sense of smell is is transmitted to the brain
- 26. these blood cells fight infection
- 27. taste buds
- 28. this system releases hormones into the bloodstream
- 29. return "dirty" blood back to the heart
- 31. the middle layer of skin where nerves and blood vessels are found
- 32. the colored part of your eye
Down
- 1. tiny bones in your ear
- 2. this gland controls growth and reproduction
- 3. the clear covering of eye that lets light pass through to the lens
- 5. what connects one bone to another bone
- 7. tubes that go to each lung
- 8. opening to the nose
- 9. the liquid that helps moisten your mouth
- 10. nerve in the eye that transmits signals to brain
- 12. the outer layer of skin
- 14. turns images into nerve signals
- 15. coverts vibrations from sound waves into nerve signals
- 16. "juices" in your stomach
- 18. long tube that goes to your stomach
- 20. the muscle for breathing
- 21. air sacks located in the lungs
- 22. take oxygenated blood away from the heart.
- 27. the hole in your eye that lets in light
- 30. electrical pathways that take information to the brain