Circulatory System

5. a light amber-colored liquid component of blood in which blood cells are absent, but contains proteins and other constituents of whole blood in suspension.
8. dividing wall between two chambers, such as that between the nostrils or the chambers of the heart
11. pieces of very large cells in the bone marrow called megakaryocytes.
12. the main chamber of your heart, responsible for pumping oxygen-rich blood into your aorta
14. The soft, spongy tissue that has many blood vessels and is found in the center of most bones
18. blood blood that has been exposed to oxygen in the lungs
19. carries deoxygenated blood towards your heart and are often located close to your skin
20. deoxyribonucleic acid is a long molecule that contains our unique genetic code.
22. heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart.
23. A small crescent-shaped flaps of tissue, that help prevent a backflow of blood.
24. provides the functional blood supply to all body tissue

1. A thin tube that carries lymph (lymphatic fluid) and white blood cells through the lymphatic system.
2. an organ that pumps blood through your body.
3. a type of white blood cell responsible for creating antibodies
4. carry blood from the right side of the heart to the lungs
6. the smallest blood vessels that exist throughout your body. They transport blood, nutrients and oxygen to cells in your organs and body systems.
7. a group of cells that have similar structure and that function together as a unit
9. a protein produced by the body's immune system when it detects harmful substances, called antigens
10. the hollow opening or the space inside the blood vessel.
11. a type of white blood cell responsible for fighting germs
13. A large vein that carries blood to the heart from other areas of the body
15. Any substance that causes the body to make an immune response against that substance
16. large blood vessels that carry blood from your heart to your kidneys
17. circulatory system in which the blood makes two distinct circuits
21. movement of anything generally from a region of higher concentration to a region of lower concentration
22. the largest artery of the body and carries blood from the heart to the circulatory system