Across
- 4. one of four heart valves and is the final one encountered by oxygenated blood as it leaves the heart
- 5. large tubes that connect to your trachea (windpipe) and direct the air you breathe to your right and left lungs
- 6. the “gatekeeper” between the atria and the ventricles
- 7. muscular chamber that pumps blood out of the heart and into the circulatory system
- 10. transport deoxygenated blood from the right side of the heart to the lungs for oxygenation
- 12. a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets
Down
- 1. has two atriums and vetnricles
- 2. delivers nutrients and oxygen to all cells in the body
- 3. any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towards the heart
- 8. chamber or either of the chambers of the heart that receives blood from the veins and forces it into the ventricle or ventricles see heart illustration.
- 9. the pair of spongy, pinkish-gray organs in your chest
- 11. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body.