Across
- 4. A force that pulls objects toward Earth
- 6. A device used to help people breathe
- 7. The process in which plants make their own food using sunlight
- 11. A small device used to measure blood sugar levels
- 12. material that easily allows heat or electricity to pass through
Down
- 1. A machine that filters blood for patients with kidney failure
- 2. The organ responsible for filtering waste from the blood
- 3. A simple machine that consists of a bar that pivots around a fixed point
- 5. the basic unit of cuurent
- 8. A tool used to measure temperature
- 9. A type of machine that changes the direction of a force and uses a wheel with a rope
- 10. A machine used to monitor heart pulse