Across
- 3. small pathways that connect arteries to veins
- 4. this type of blood cell fights off infection and is the largest
- 5. this animal has what is known as a second heart or a frog
- 6. pumps blood to the other chambers
- 8. mammals and these animals have a double loop 4 chamber system
- 12. this is also removed from the bloodstream
- 13. has a yellowish tint and liquid part of blood
- 14. the heart is this type of muscle
- 15. this type of blood cell is medium in size and carries the oxygen
- 16. animals that have double loop 3 chamber heart
- 17. lead the flow of blood through the body
Down
- 1. these help the blood to clot
- 2. animal that has single loop 2 chamber heart
- 5. most livestock animals will have the same circulatory system as these
- 6. pathway of oxygenated from the heart to the body
- 7. pathway of oxygenated blood to the heart
- 8. transports cells just like a bus transports people
- 9. pumps blood out of heart to rest of body
- 10. flaps that prevent the backflow of blood
- 11. organ that controls the flow of blood