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Definition
| pertaining to the heart and blood vessels |
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| Consists of the heart, blood vessels, and blood |
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| A hollow, muscular organ located in the thoracic cavity between th lungs |
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| The lower tip of the heart |
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| The double-walled membranous sac that encloses the heart |
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| Fibrous sac that surrounds and protects the heart |
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| External layer of the heart and the inner layer of the pericardium |
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| Middle and thickest of the heart's three layers |
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| The inner lining of the heart. This is the surface that comes into direct contact with the blood as it is being pumped through the heart. |
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| Supply oxygen-rich blood to the myocardium |
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| The two upper chambers of the heart, and these chambers are divided by interatrial septum |
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| Two lower chambers of the heart, these chambers are divided by the interventicular septum |
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| Controls the opening between the right atrium and the right ventricle |
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| Pulmonary semilunar valve |
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Definition
| located between the right ventricle and the pulmonary artery. |
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Definition
| located between the left atrium and left ventricle. |
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| Located between the left ventricle and the aorta |
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Definition
| Receives oxygen poor blood from all tissues except the lungs, through the superior and inferior venae cavae. Blood flows out of this through the tricuspid valve into the right ventricle |
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Definition
| Pumps the oxygen-poor blood through the pulmonary semilunar valve and into the pulmonary artery, which carries it to the lungs |
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Definition
| Receives oxygen-rich blood from the lungs through the four pulmonary veins. The blood flows out of this, through the mitral valve, and into the left ventricle. |
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Definition
| Receives oxygen-rich blood from the left atrium. Blood flows out of this through the aortic semilunar valve and into the aorta, which carries it to all parts of the body, except the lungs. |
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| the flow of blood only between the heart and lungs |
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Definition
| carry deoxygenated blood out of the right ventricle and into the lungs. This is the only place in the body where dexoygenated blood is carried by arteries instead of veins |
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| Carry the oxygenated blood from the lungs into the left atrium of the heart. This is the only place in the body where veins carry oxygenated blood |
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Definition
| Includes the flow of blood to all parts of the body except the lungs |
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| The ability to pump blood effectively throughout the body |
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Definition
| located in the posterior wall of the right atrium near the entrance of the superior vena cava. Establishes the basic rhythm and rate of the heartbeat. Known as the natural pacemaker of the heart. Electrical impulses start each wave of muscle contraction in the heart from here. |
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Definition
| Located on the floor of the right atrium near the interatrial septum. From here it transmits the electrical impulses onward to the bundle of His. |
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Definition
| A group of fibers located within the interventricular septum which carry an electrical impulse to ensure the sequence of the heart contractions. These electrical impulses travel onward to the right and left ventricles and the purkinjie fibers. |
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Definition
| Specialized conductive fibers located within the walls of the ventricles. These fibers relay the electrical impulses to the cells of the ventricles and it is this stimulation that causes the ventricle to contract. This contraction of the ventricles forces blood out of the heart and into the aorta and pulmonary arteries. |
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Definition
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Definition
| Contraction of the ventricles |
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Definition
| recovery (relaxation) of the ventricles. |
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Definition
| large blood vessels that carry blood away from the heart to all regions of the body |
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| The largest blood vessel in the body. It begins from the left ventricle of the heart and forms themain trunk of the arterial system |
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| The major arteries that carry blood upward to the head |
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| located on each side of the neck |
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Definition
| brings oxygen rich blood to the brain |
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| the smaller, thinner branches of arteries that deliver blood to the capillaries |
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| one epithelial cell in thickness are the smallest blood vessels in the body. Have important roles of delivering oxygen and nutrients to the cells of tissues. |
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Definition
| Form a low-pressure collecting system to return oxygen-poor blood to teh heart |
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| the smallest veins that join to form the larger veins |
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| Two largest veins in the body. These are the veins that return blood into the heart |
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| transports blood from the upper portion of the body to the heart |
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Definition
| Transports blood from the lower portion of the body to the heart |
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| Rhythmic pressure against the walls of an artery caused by the contraction of the heart |
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| The measurement of the amount of systolic and diastolic pressure exerted against the walls of the arteries. |
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Definition
| Occurs when the ventricles contract, is the highest pressure against the walls of an artery |
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Definition
| Occurs when the ventricles are relaxed, is the lowest pressure against the walls of an artery |
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Definition
| A straw colored fluid that contains nutrients, hormones, and waste products. 91% water, 9% proteins |
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Definition
| Plasma fluid after the blood cells and the clotting proteins have been removed |
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| Fibrinogen and Prothrombin |
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Definition
| Clotting proteins found in plasma |
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Definition
| Red Blood Cells produced by the red bone marrow. Transports oxygen to the tissues. |
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| Oxygen-carrying blood protein pigment of the erythrocytes |
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| White blood cells involved in defending the body agianst infective organisms and foreign substances. |
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| Formed in red bone marrow, most common type of WBC. Play a major role in the immune system's defense against pathogens, including bacteria viruses and fungi. |
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Definition
| Formed in red bone marrow, Least common type of WBC. Responsible for causing the symptoms of allergies |
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Definition
| Formed in red bone marrow and then migrate to tissues throughout the body. Destroy parasitic organisms and play a major role in allergic reactions. |
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Definition
| Fomred in red bone marrow, in lymph nodes and in the spleen. Identify foreign substances and germs in the body and produce antibodies that specifically target them. |
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| Formed in red bone marrow lymph nodes and the spleen. Provide immunological defenses against many infectious organisms. |
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Definition
| Smallest fromed elements of the blood. Play an important role in the clotting of blood. |
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Definition
| Classified according to the presence or absence of certain antigens |
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Definition
| Presence of type A antigen |
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Definition
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Definition
| A and B antigens are present |
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Definition
| A and B antigens are absent |
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Definition
| the presence or absence of the Rh antigen on red blood cells |
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Term
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Definition
| gases that are normally dissolved in the liquid portion of blood. ex; O2 CO2 and N2 |
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Definition
| Physician who specializes in diagnosing and treating abnormalities diseases and disorders of the heart |
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Term
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Definition
| Physician who specializes in diagnosing and treating abnormalities diseses and disorders of the blood and blood froming tissues |
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Term
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Definition
| Structural abnormalities caused by the failure of the heart to develop normally befor birth |
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Definition
| atherosclerosis of the coronary arteries that reduces the blood supply to the heart muscle |
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Definition
| Fatty deposit that is similar to the buildup of rust insid a pipe |
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Definition
| deposit of plaque on or within the arterial wall |
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Definition
| group of cardiac disabilities resulting from an insufficient supply of oxygenated blood to the heart |
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Definition
| condition in which there is an insufficient supply of oxygen in the tissues due to a restricted blood flow to a part of the body. |
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Term
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Definition
| condition in which severe episodes of chest pain occur due to an inadequate blood flow to the myocardium |
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