Across
- 3. A living thing
- 4. Brings oxygen into the body
- 6. A group of parts work together as a whole
- 8. muscles/tendons connect muscles to bones
- 9. Protects and supports body organs
- 10. body's speedy, electrochemical communication network, consisting of all the nerve cells
Down
- 1. transports oxygen, waste, nutrients, hormones, heat, etc
- 2. Breaks down food into absorb-able units
- 5. Collection of tissues
- 7. A group of cells that perform same function