Across
- 1. the blood vessels that carry blood away from the heart.
- 5. is when your body causes food to be transformed into different substances through chemical reactions.
- 9. the blood vessels that carry blood towards the heart.
- 10. This system is a fancy word for the largest organ in the human body, our skin!
- 11. protects the body from infection and disease.
- 13. the system that moves the blood through the body.
- 14. the system that helps our body absorb nutrients.
- 15. these organs help to filter up to 180 liters of blood per day!
Down
- 2. the system that removes waste from our bodies.
- 3. This system has many hundreds of parts that allow humans and other organisms to move about.
- 4. if some wastes are allowed to build up inside our bodies it can be ________ and potentially fatal.
- 6. Our ___________ help to remove gaseous waste from our bodies, like carbon dioxide.
- 7. Provides humans and other organisms a framework for our bodies, giving it shape and support.
- 8. is when your body is only causing physical changes to the food you are consuming.
- 12. This membrane helps us to remove excess salt and nitrogenous products from our bodies.