Across
- 1. muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
- 4. prevents backward flow of material passing through it
- 5. soft,organic, spongelike material in the cavities of bones; called also medulla ossium.
- 6. a cavity of a bodily part or organ: such as. a : a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries — see heart illustration.
- 9. the liquid part of the blood and lymphatic fluid, which makes up about half of the volume of blood.
- 11. leuk/o
- 12. the odorless gas that is present in the air and necessary to maintain life
- 14. movement to and fro or around something, especially that of fluid in a closed system.
- 15. the upper chamber through which blood enters the ventricles of the heart. There are two atria in the human heart – the left atrium receives blood from the pulmonary (lung) circulation, and the right atrium receives blood from the venae cavae (venous circulation).
Down
- 2. blood vessels of the body that carry blood away from the heart and to the organs and tissues of the body.
- 3. help form blood clots to slow or stop bleeding and to help wounds heal
- 4. a blood vessel that carries blood that is low in oxygen content from the body back to the heart
- 7. relating to, functioning like, associated with, or carried on by the lungs.
- 8. tiny blood vessels connecting arteries to veins.
- 10. erythr/o
- 13. largest artery in the body