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Anatomy Blood/Cardio

Anatomy Ch 11/12 Blood and Cardio

QuestionAnswer
plasma liquid matrix of the blood; mostly composed of water
hemoglobin iron containing molecule; found in RBCs; carries oxygen
erythroc yte component of blood that is disc shaped and carries oxygen
leukocyte component of blood that is nucleated and fights infection
thrombocyte component of blood that is a cell fragment and is responsible for clotting blood after injury
hematopoiesis formation of blood cells occurring in the bone marrow
antigens protein molecules found on cell membranes that identify a cell as self
antibodies proteins formed by the immune system to interact with foreign antigens
agglutination clumping of blood cells; typically as a result of an antigen-antibody incompatibility reaction
pericardium outermost covering of the heart
myocardium muscular wall of the heart
septum wall separating the right and left side of the heart
chordae tendineae string like structures that attach the AV valves to the inner wall of the heart
papillary muscles fingerlike muscular projections of the inner heart wall which anchor the chordae tendineae
pulmonary semilunar valve prevents the backflow of blood from the pulmonary trunk to the right ventricle
aortic semilunar valve prevents the backflow of blood from the aorta to the left ventricle
tricuspid valve AV valve found between the right atrium and right ventricle
bicuspid valve AV valve found between the left atrium and left ventricle
aorta largest artery of the body with the greatest blood pressure
vena cava largest veins of the body which return blood to the right atrium of the heart
pulmonary arteries carry blood from the right ventricle to the lungs; carry deoxygenated blood
pulmonary veins carry blood from the lungs to the left atrium; carry oxygenated blood
heart attack an event occuring when the heart muscle dies due to lack of oxygen (blood flow)
angina pectoris pain in the chest due to a decrease in oxygen to the heart
thromboembolism a blood clot that breaks free from its origin and travels to a new location
arteries blood vessels that carry blood away from the heart
veins blood vessels that carry blood toward the heart
capillaries the smallest blood vessels that allow exchange of materials between the blood and tissues of the body
hypertension chronic high blood pressure
myocardial infarction dead heart muscle tissue
atria two chambers of the heart where blood enters from the body or the lungs
ventricles two chambers of the heart that pump blood out of the heart to the lungs or the body
Type A Blood has A antigens on the RBCs and anti-B antibodies in the plasma
Type B Blood has B antigens on the RBCs and anti-A antibodies in the plasma
Type AB Blood has A and B antigens on the RBCs and no antibodies in the plasma
Type O Blood has no antigens on the RBCs and both anti-A and anti-B antibodies in the plasma
Rh antigen an antigen found on some RBCs, first discovered in the cells of Rhesus monkeys; if you have it , you are positive (+)
universal donor A person with Type O blood
universal recipient A person with Tybe AB blood
stroke occurs when a portion of the brain is deprived of oxygen
arteriosclerosis hardening of the arteries
atherosclerosis the build of material in the walls of the arteries
left ventricle the strongest chamber of the heart, sends blood out through the aorta and around the body
right ventricle chamber of the heart that sends blood out the pulmonary artery and to the lungs
left atrium chamber of the heart that receives oxygenated blood from the lungs
right atrium chamber of the heart that receives deoxygenated blood from the body
systole when the heart muscle contracts
diastole when the heart muscle relaxes
brachial artery used to find a person's blood pressure
varicose veins when a vein becomes enlarged and the valves stop preventing backflow of blood
hemorrhoid varicose vein of the rectum
ischemic heart disease cardiac condition described by a lack of sufficient oxygen to the heart muscle
cardiac arrest when the heart muscle stops contracting
pacemaker the SA node, where the heartbeat is initiated by electrical impulse
Created by: Mrs. Meeks SHS
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