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Across 2. loops does the mammalian (cows, goats, pigs, humans) circulatory system contain 5. holds bones together in the joints 7. skeletal system portion for protection 9. chambers does the mammalian heart contain 10. small bridges from one vein or artery to another 13. two chambered heart and single loop 17. When the ventricles contract, blood is pumped___of the heart 18. organ system makes blood cells 19. Blood vessels that carry blood away from the heart are called 20. receive blood that comes into the heart 21. blood cells are most numerous in the body 22. three chambered heart and single loop 23. circulatory system removes___from body (think kidney lab)

Down 1. a mineral found in bones that is important to body processes 3. things that help to rebuild bones 4. heart structures prevents blood from flowing backward 6. acts as a cushion between bones 8. skeletal system portion for movement 11. type of blood vessel carries blood away from the heart 12. component of blood is 90 percent water 14. By eating dairy products, you are helping to maintain healthy bones because dairy products contain 15. blood component that allows it to clot 16. blood cells that increase when their is infection in the body