Across
- 2. system which maintains the supply of oxygen to the body's cells
- 3. system which tranports materials around the body
- 5. controls and coordinates the body, often reacting to events outside the body
- 7. involved with taking in and absorbing food materials
- 9. concerned with movement and the function of organs
Down
- 1. protects the body against illness
- 2. concerned with producing offspring
- 4. elimnates waste products from the body
- 6. controls internal conditions, particularly chemical changes
- 8. has many roles, including protection and blood production
- 10. detects conditions outside the body