Across
- 4. System that brings oxygen into the body.
- 6. body structure that brings oxygen rich blood away from the heart to other organs and cells.
- 8. receptors will feel intense discomfort on the skin.
- 11. system that pumps oxygen rich blood through the body.
- 12. system of the body that includes the spinal cord, brain, and all of the nerves.
Down
- 1. name for any trait that helps a living thing survive.
- 2. receptors react to how hot or cold something is.
- 3. body structure that brings blood back to the heart to replenish.
- 5. system that gets rid of waste from the body.
- 7. system of the body that breaks down food
- 9. color part of our eye.
- 10. where light passes through the eye.