Across
- 4. in case of emergencies we should do it
- 6. the opposite of destroy
- 8. there are two types of blood that are...
Down
- 1. without it more people will die
- 2. so needed to protect us from cancer and other diseases
- 3. an organ in the body that looks like a leaf
- 5. these are soldiers who work day and night to protect us
- 7. you need enough of it otherwise your body and memory will be messed up