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The Circulatory System Crossword Puzzle

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The Circulatory System

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8 Anything that can trigger an immune response.
12 Thick-walled muscular and elastic vessels that transport oxygenated blood from the heart.
15 A network of structures including the heart, blood vessels, and blood that pumps and carries blood throughout the body.
16 This allows the blood to flow from the right atrium into the right ventricle.
17 The blood circulation from the left side of the heart throughout the body and back again to the heart.
21 Another name for a heart attack, reduced blood flow in the coronary arteries supplying the heart muscle.
24 This permits the blood to be pumped from the left ventricle into the aorta.
25 An accumulation of fatty deposits on the inner walls of the arteries.
27 This directs blood from the right ventricle into the pulmonary arterties.
30 Occurs when the immune system mistakes self for nonself and attacks itself.
32 The wall that separates the heart's chambers.
33 Shortness of breath, pain in the lungs and coughing due to a free blood clot.
34 Immunity resulting from an encounter with a new substance, which triggers events that induce an immune response specific to that particular substance.
35 Also thrombocytes, are colorless, irregular bodies, much smaller than red corpuscles.
37 The blood circulation from the heart to the lungs and back again to the heart.
42 A process in which substances move from an area of higher concentration to an area of lower concentration.
43 A local distention of ballooning of an artery from a weakening wall.
1 Also called Erythrocytes, carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells to the lungs.
2 A process in which leukocytes engulf and digest harmful bacteria.
3 The smallest blood vessels, these connect arterioles with the venules.
4 Also leukocytes, protect the body against disease by combating infections and toxins that invade the body.
5 The thin, innermost layer of the heart.
6 A mass of blood trapped in some tissue or cavity of the body and is the result of internal bleeding.
7 Immunity present from birth.
9 These are microscopic vessels that continue from the capillaries and merge to form veins.
10 An inflammation of a vein that can result from injury, surgery or infection.
11 The main artery of the body.
13 Thinner-walled blood vessels that carry deoxygenated blood and waste-laden blood from capillaries back to the heart.
14 This allows the blood to flow from the left atrium into the left ventricle.
15 Another name for a stroke, a disturbance in cerebral circulation.
18 Blood cells that are able to engulf and digest cellular debris and foreign bodies in the tissues.
19 A process in which blood pressure pushes fluids and substances through the capillary wall and into the tissue spaces.
20 An antigen that can cause an allergic response in some people.
22 Contains microorganisms that are either dead, weakened, or altered forms of a live infectious organism that stimulates an immune response without causing an illness.
23 An iron-protein compound in red blood cells capable of carrying oxygen from the lungs to the cells and carbon dioxide from the cells.
25 Small blood vessels between the arteries and the capillaries.
26 The relaxation and enlargement of the arterial walls.
28 The contraction of the arterial walls.
29 Straw-colored fluid that is derived from and is very similar to interstitial fluid of the body part from which it flows.
31 The protective outer layer of the heart.
36 The cardiac muscle.
37 A double-layered membrane that encloses the heart.
38 Small, intermediate lymph vessels.
39 Helps to protect the body and keep it safe from pathogens and diseases.
40 Lymphatic capillaries located in the villi of the small intestine.
41 The largest lymph vessel that collects lymph from both legs and the left side of the rest of the body.
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