Across
- 2. small veins.
- 5. living cells in the blood that transports oxygen to all living cells in the body.
- 7. lower left section of the heart,which pumps bllood to all parts of the body.
- 9. adenosine triphoshate: a form or eneryg released during cellural respiration that proves cells with the energy.
- 10. the organ for breathing air .
- 11. living cells that fight bacteria and viruse.
- 14. special cells that detct energy and convert it to electrical energy that is sent to the brain.
- 17. Respiration the chemical reaction involing oxygen that moves the energy in glucose into the compound ATP
- 18. the red liquid that circulates through the body.
- 20. blood vessels that carry blood to the heart.
Down
- 1. circuit component that has resistance.
- 3. the body system that circulates oxygen in the blood to allthe cells of the body.
- 4. lower right section of the heart, which pumps deoxygenated blood to the lungs.
- 6. large vein leading into the top right chamber of the heart.
- 8. a small cavity, usually filled with fluid.
- 12. upper left section of the heart where oxygenated blood from the lungs enters the heart.
- 13. a muscular organ that pumps blood through the circulatory system so that oxygen and nutreints can be transported to the bodys cells and waste can be transported away.
- 15. a gas in the air ( and water ) that animals need to breathe.
- 16. a simple carbohydrate and the simplest form of sugar.
- 19. largest gland in the body.