Across
- 3. A system comprised of the heart, veins and red blood cells
- 7. Comprised of all components of structural hierarchy
- 8. A system comprised of the mouth, stomach and intestines
- 9. Smallest unit of a persons composition
- 10. Essential for functions such as DNA replication
- 11. A system comprised of the white blood cells and skin
Down
- 1. A system comprised of the brain, spine and nerves
- 2. A collection of specialised tissue
- 3. Convert nutrients into energy
- 4. Constructed from multiple organs working together
- 5. A system comprised of glands
- 6. A group of similar cells organised to do a job
