Across
- 3. A muscular organ that pumps blood throughout the body
- 7. A type blood vessel that carries blood toward the heart
- 8. Lower chamber of the heart. There's a left and a right
- 10. A yellowish fluid that is mostly composed of water. It holds blood cells
- 11. The process in which oxygen is combined with food (glucose) to release energy
- 12. A sheet-like muscle beneath the lungs. It expands and contracts the chest cavity when controlling breathing
- 14. A type blood vessel that carries blood away from the heart
Down
- 1. A cell fragment that helps form blood clots and stops bleeding
- 2. A pair of tubes that branch off the trachea and enter the lungs
- 4. The tube that transports air from the throat to the lungs, also known as the windpipe
- 5. Air sacs within the lungs where gases are exchanged between the lungs and the blood
- 6. Sacs within the lungs where gases are exchanges between the lungs and the blood.
- 9. A tiny blood vessel that connects an artery to a vein. It also exchanges substances such as gases and nutrients with the blood and the body cells
- 13. Upper chamber of the heart. There's a left and a right