Across
- 4. fights germs
- 6. structures: kidney, bladder, skin, and lungs
- 7. different tissues that work together to perform a specific function
- 8. the smallest unit of an organism
- 9. structures: skin, nails, and hair
- 11. similar cells that work together to carry out a specific function
- 12. protects and supports the body and organs
Down
- 1. produces offspring
- 2. transfers nutrients from food, removes waste
- 3. transports nutrients, waste and gases
- 5. tells your brain what to do
- 10. helps you move
- 12. a number of parts that work together as a whole