Across
- 2. the part of the digestive system after the oesophagus
- 5. where the first stage of the digestive system
- 6. the word for the part of the skeletal system surrounding your brain
- 8. the simple word for respiratory system
Down
- 1. what the skeletal system is mainly made of
- 3. a muscle on the upper back of the leg
- 4. the main part of the respiratory system
- 7. a muscle on the front of your solder