Biology reviewer

2. flap-like structures located between the atria and the ventricles
4. the fluid that carries gases, nutrients, and wastes through the body and that is made up of plasma, red blood cells, platelets, and white blood cells
5. an immune system cell that engulfs pathogens and other materials
9. the fluid that is collected by the lymphatic vessels and nodes
11. lower chamber in the heart
14. a type of cardiovascular disease that happens when cholesterol builds up inside of blood vessels
18. the ability to resist or recover from an infectious disease
19. type of circulation which deals with the flow of blood from the heart to the lungs and back to the heart
20. an oxygen carrying protein
22. injection of blood or blood components into a person to replace the blood that has been lost
24. a protein made by B cells that binds to a specific antigen
26. an immune system cell that coordinates the immune system and attacks many infected cells
27. upper chamber in the heart
28. made of mostly cardiac tissue

1. type of circulation which deals with the flow of blood from the heart to all the parts of the body and back to the heart
2. in biology, a vessel that carries blood to the heart
3. pieces of larger cells found in bone marrow
6. – bacteria, viruses, and other microscopic particles that make you sick
7. substance that can kill bacteria or slow the growth of bacteria
8. abnormally high blood pressure
10. a type of fungus humans can get from handling infected dogs or cats
12. method of using heat to kill bacteria
13. the largest lymphatic organ in the body
15. small round masses of lymphatic tissue located at the pharynx; helps protect your throat by trapping pathogens a microorganism, another organism, a virus, or a protein that causes disease
16. blood vessels in the brain becomes clogged or ruptures
17. type of white blood cells that help your body fight pathogens
21. chemical signals which helps in regulation of the body
22. the main gland in the lymphatic system; it produces mature lymphocytes
23. a reaction to harmless or common substance by the body’s immune system
24. a blood vessel that carries blood away from the heart to the body’s organs
25. a white blood cell that makes antibodies