Across
- 3. a group of organs that work together to perform a function.
- 4. carries oxygen and nutrients to cells, and removes wastes. It also spreads heat to maintain body temperature.
- 5. any tube that blood flows through
- 6. arteries carry oxygenated blood to body cells. Arteries also carry de-oxygenated blood to the lungs.
- 8. body part that is made up of many tissues
- 13. The process used by all living cells to release energy
- 14. fluid pumped by the heart around the circulatorysystem
- 15. An organ where gas exchange occurs between air and blood
Down
- 1. the body system that food goes through
- 2. The fluid pumped by the heart around the circulatory system
- 4. vessels come in three main types: arteries, veins and capillaries.
- 7. A group of organs that work together to perform a function
- 9. A blood component that transports oxygen
- 10. A tube that carries blood away from the heart
- 11. A gas needed by cells to release energy
- 12. where food enters the body