Across
- 2. largest gland in the body
- 5. living cells in the blood that transports oxygen to all other living cells in the body
- 6. a gas in the air(and water) that animals need to breathe
- 9. a musclular organ that pumps blood through the circlulatory system so that oxygen and nutrients can be transported to the bodies cells and wastes can be transported away
- 10. the body system that circulates oxygen in blood to all the cells of the body
- 12. circuit component that has resistance
- 14. living cells that fight bacteria and viruses
- 15. special cells that detect energy and convert it to electrical energy that is sent to the brain
- 17. a small cavity, usually filled with fluid
- 18. the organ for breathing air
Down
- 1. a simple carbohydrate and the simplest form of sugar
- 3. the chemical reaction involving oxygen that moves the energy in glucose into the compound ATP
- 4. small veins
- 7. atrium upper left section of the heart where oxygenated blood from the lungs enters the heart
- 8. blood vessels that carry blood back to the heart
- 11. adenosine triphosphate: a form of energy released during cellular respiration
- 13. large vein leading into the top right chamber of the heart
- 15. ventricle lower right section of the heart which pumps deoxygenated blood to the lungs
- 16. the red liquid that circulates through the body