Across
- 4. There are three types of muscles which are: Smooth, cardiac and ...
- 5. Adults have ... hundred and six bones in their body.
- 6. The heart is an example of an ...
- 10. a system which supplies the blood cells from bone marrow.
- 11. ... are the second level of organisation.
- 13. Organ systems make up an ...
Down
- 1. A group of similar cells that work together to perform a certain function
- 2. The circulatory system is made up the ..., blood and blood vessels.
- 3. There are three blood vessels in the circulatory system called veins, ..., and arteries.
- 5. These organs make up the respiratory system: Mouth, nose, ... and lungs
- 7. The respiratory system is an example of an...
- 8. The muscular system needs ... and glucose which is supplies to it by blood and vessels.
- 9. ... are the first level of organisation.
- 12. Lots of tissues make up an ...