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anatomy > circulatory system vocab > Flashcards

circulatory system vocab Flashcards

1
Q

cardiovascular system

A

the heart, blood vessels, lymphatic organs and vessels which transport fluids, nutrients, gases, and waste products throughout the body as well as helps provide immunity for the body

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2
Q

capillaries

A

the functional unit of the circulatory system, microscopic vessels where O and CO, nutrients and waste products are exchanged to all cells of the body

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3
Q

sphygmomanometer

A

blood pressure cuff

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4
Q

hematocrit

A

a blood test that determines the percentage of blood cells and blood plasma

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5
Q

veins

A

vessels that carry blood low in O back to the right atrium

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6
Q

hemophilia

A

a genetic, sex-linked, recessive blood disease in which a blood cannot clot due to the lack of a blood protein

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7
Q

arteries

A

vessels that carry oxygenated blood away from the heart

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8
Q

spleen

A

largest of the lymphatic organs that stores a pint of blood

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9
Q

anemia

A

a disorder caused by the lack of rbc’s or the inability to produce them

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10
Q

hemostasis

A

the physical and chemical events which occur to stop hemorrhaging

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11
Q

hemoglobin

A

protein found on erythrocytes (who’s function is to carry) and CO to the cells of the body and to the lungs

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12
Q

leukocyte

A

several different types of cells of the blood whose functions include destroying foreign matter in the body and providing immunity

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13
Q

lymph

A

interstitial fluid from the tissues that enters lymphatic capillaries to be returned to the venous blood system

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14
Q

agglutinogen

A

a blood protein on erythrocytes which is antagonistic to the proteins which determine blood type

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15
Q

agglutinin

A

a blood protein found on erythrocytes which determines a persons blood type

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16
Q

thrombocyte

A

cellular fragments which are involved in blood clotting

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17
Q

erythrocyte

A

the most numerous blood cell

18
Q

hemorrhage

A

uncontrolled bleeding

19
Q

hemopoiesis

A

process where blood cells are formed and then sorted as rbs’s, wbc’s, or platelets

20
Q

phagocytes

A

engulfs and destroys antigens within the body

21
Q

diastole

A

the relaxation stage of the heart

22
Q

atria

A

the small, upper chambers of the heart

23
Q

systole

A

the contraction stage of the heart

24
Q

ventricles

A

the large, lower chambers of the heart

25
Q

stroke volume

A

the amount of blood pumped from the ventricles during each systole of the heart

26
Q

endocardium

A

the inner lining of the heart

27
Q

vena cava

A

the largest vein in the body

28
Q

myocardium

A

the thickest layer of the heart

29
Q

aorta

A

the largest artery in the body

30
Q

pericardium

A

the outer layer of the heart

31
Q

EKG

A

measures the electrical events of the heart during diastole and systole of the heart

32
Q

cyanosis

A

the blue color due to lack of oxygen

33
Q

murmur

A

a valve that is audibly malfunctioning

34
Q

cardiac output

A

the amount of blood pumped through the heart in one minute

35
Q

pulmonary artery

A

the only artery that carries unoxygenated blood

36
Q

pulmonary vein

A

the only vein that carries oxygenated blood

37
Q

SA node (sinoatrial)

A

the primary pacemaker of the heart

38
Q

antigen/pathogen

A

any foreign cell or protein or virus that enters the body that the immune system tries to destroy

39
Q

coronary arteries

A

arteries of the myocardium which supply oxygenated blood

40
Q

lymph nodes

A

masses of lymphatic tissue which house different leukocytes

41
Q

thymus

A

organ of lymphatic and endocrine function which produces lymphocytes

42
Q

neutrophil

A

immune system first line of defense

anatomy (9 decks)

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