Across
- 5. composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts
- 6. chemical substances that act like messenger molecules in the body
- 8. a person's ability to adjust and control their energy level, emotions, behaviours and attention
- 9. any of the muscular-walled tubes forming part of the circulation system by which blood
- 10. a system that helps maintain internal chemical homeostasis and prevent damage to the body
- 12. any of the fine branching blood vessels that form a network between the arterioles and venules
- 14. the system that circulates blood and lymph through the body
- 16. an organ which produces and releases substances that perform a specific function in the body
- 17. groups of organs and tissues that work together to perform important jobs for the body
- 18. the network of nerve cells and fibers which transmits nerve impulses between parts of the body
- 19. the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes
- 20. an organ system consisting of skeletal, smooth, and cardiac muscle
Down
- 1. mechanical breakdown of food
- 2. any of the tubes forming part of the blood circulation system of the body
- 3. consists of the gastrointestinal tract plus the accessory organs of digestion
- 4. messenger system comprising feedback loops of the hormones released by internal glands
- 7. the tissues, glands, and organs involved in producing offspring
- 11. consist of a single muscle cells
- 13. a biological system consisting of specific organs and structures used for gas exchange in animals and plants
- 14. the breaking down of the bonds in food to convert them into organic molecules
- 15. your bodys central framework