Across
- 2. B-cells produce ____.
- 4. a body system that moves blood around our body.
- 6. Which system sends signals around the body?
- 7. Deliver blood to organs and tissues.
- 10. What body system takes in the fresh air and removes waste gases?
- 12. a body system that removes wastes from body.
- 13. How the body reacts to maintain stability.
Down
- 1. the outer covering protects our body from any harm.
- 3. Trains white blood cells to fight disease and infection.
- 5. Our heart, blood, and blood vessels make up the ____ system.
- 8. this is produced to help regulate body temperature especially if the weather is hot.
- 9. An organ that controls every process in our body such as memory, emotion, and thought.
- 11. the act of taking in nutrients from the food we eat.