nervous system

3. carries blood away from the
4. valve, last valve before blood exits the heart through the aorta
6. superfamily of heme-containing globular proteins
11. membrane enclosing the heart
12. muscular tissue of the heart
14. blood cells, type of blood cell that is made in the bone marrow and found in the lymph tissue
16. membrane, thin pliable layer of tissue covering surfaces or separating or connected regions
19. a small colorless disk-shaped cell fragment without a nucleus
20. red liquid that circulates in the arteries and veins of the body
23. blood cells, type of blood cell that is made in the bone marrow and found in the blood
24. production of blood cells and platelets
25. vasorum, small blood vessels that supply or drain the walls of the larger arteries and veins and connect with a branch of the same vessel
27. keeps blood flowing in the right direction
28. flow, the movement of blood through the vessels from arteries to the capillaries and then into the veins
29. the number of heartbeats per minute

1. delicate blood vessels that exist throughout the body
2. small blood vessel that carry blood away from the heart
4. blood protein produced in response to and counteracting a specific antigen
5. bed, a network of small blood vessels that allow the exchange of gas water and nutrients
7. the cavity or channel within a tube or tubular organ such as a blood vessel or in the testine
8. extra fluid collects between the heart and the pericardium
9. bathing an organ or tissue with a fluid
10. each of the two main chambers of the heart
13. red protein responsible for transporting oxygen in the blood
15. red blood cell that is typically a biconcave disc without a nucleus
17. each of the two upper cavities of the heart from which blood is passed to the ventricles
18. colorless fluid part of blood
21. a serous membrane that forms the innermost layer of the pericardium and the outer surface of the heart
22. skeleton, consists of four rings of dense connective tissue that surround the AV canals (mitral and tricuspid) and extend to the origins of the aorta and the pulmonary trunk
26. trunk, the solitary arterial output from the right ventricle