Across
- 1. creates a barrier from external pathogens
- 3. allows for exchange of certain gases (ex. O2)
- 5. protects the body
- 8. allows mobility and maintains body temperature
- 9. breaks down food and absorbs nutrients
- 11. delivers oxygen & nutrients to the body
Down
- 2. connects our brain to our body
- 4. produces gametes, houses fetus until birth
- 6. where our immune cells reside
- 7. removes waste products
- 10. secretes hormones