Circulatory System

4. A type of circulatory system where the movement of fluid is completely confined to tubes.
6. The liquid part of the blood that contains water, ions, proteins, nutrients, waste and gases.
7. A type of blood vessel that transports blood at high pressure away from the heart to organs and tissues.
8. A type of blood vessel that transport blood at low pressure towards the heart from tissues and organs.
9. Upper chambers of the heart where blood enters.
11. Helps maintain the direction of the blood and prevents backflow.
12. A type of circulation system where blood passes twice through the heart per circulation.
16. Blood that is rich in oxygen.

1. A type of circulation that carries oxygen-rich blood to/from the lungs.
2. A type of blood vessel that allows the exchange of materials with tissues.
3. Blood that is poor in oxygen.
5. A type of circulation that carries oxygen-poor blood to and from all the organs.
10. A liquid tissue that is transported around the circulatory system, consisting of plasma and cells.
11. Lower chambers of the heart where blood exits.
13. A type of circulatory system where the movement of fluid is not wholly confined to tubes.
14. A type of circulation system where blood passes once through the heart per circulation.
15. The organ that pumps blood through the circulatory system.