CH 33 VOCAB Flashcards

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1
Q

myocardium

A

muscle layer

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2
Q

atrium

A

upper chamber of the heart

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3
Q

ventricle

A

lower chamber of the heart

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4
Q

valves

A

flaps of connective tissue

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5
Q

arteries

A

large vessels that carry blood from the heart to the tissues of the body

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6
Q

capillaries

A

smallest blood vessels

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7
Q

veins

A

located near and between skeletal muscles

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8
Q

plasma

A

straw-colored fluid

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9
Q

red blood cells

A

erythrocytes, most numerous cells in blood

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10
Q

hemoglobin

A

a protein that binds oxygen in the lungs and releases it in capillary networks throughout the body

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11
Q

white blood cells

A

leukyocytes, are the “army” of thhe circulatory system

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12
Q

platelets

A

cell fragments

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13
Q

lymph

A

fluid with small particles in it, found in blood

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14
Q

atherosclerosis

A

a condition in which fatty deposits called plauqes build up in artery walls and eventually cause the arteries to stiffen

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15
Q

pharynx

A

throat

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16
Q

trachea

A

windpipe

17
Q

larynx

A

contains vocal cords

18
Q

bronchus

A

chest cavity that leads to one lung

19
Q

alveolus

A

millions of air sacs

20
Q

diaphragm

A

large dome-shaped muscle