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3B-Keira Brown > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

Arteries

A

vessels that carry blood away from heart

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2
Q

blood vessels

A

channels that carry blood through the body

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3
Q

deoxygenated

A

body to right chamber of heart to lung

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4
Q

heart

A

pumps blood through blood vessels

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5
Q

oxygen

A

the element needed to live

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6
Q

oxygenated

A

lung to left chambers of the heart to the body

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7
Q

pulmonary circulation

A

between the heart and lungs, transports deoxygenated blood to the lungs to get oxygen, and then back to the heart.

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8
Q

systemic circulation

A

carries oxygenated blood away from the heart to the tissues and cells, and then back to the heart.

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9
Q

veins

A

vessels that bring blood back to the heart

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10
Q

size of heart

A

the size of a fist and upside down pear shaped

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11
Q

how many chambers does the heart have?

A

4 chambers

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12
Q

location of the heart

A

located in the mediastinum in the center of the chest cavity

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13
Q

apex

A

tip of the heart at the lower edge

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14
Q

endocardium

A

the inner layer of the heart lining the heart chambers. serves to reduce friction as the blood passes through the heart chambers

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15
Q

myocardium

A

he thick, muscular middle layer of the heart. contraction makes pressure to pump blood through vessels

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16
Q

pericardium

A

heart is enclosed within a double-layered pleural sac called this

17
Q

atria

A

the receiving chambers of the heart

18
Q

ventricles

A

the pumping chambers thicker than myocardium. contraction ejects blood out of the heart and into the great arteries

19
Q

tricuspid valve

A

an atrioventricular valve. controls the opening between the right atrium and the right ventricle.

20
Q

pulmonary valve

A

semilunar valve-look like half moon. located between the right ventricle and the pulmonary artery, this valve prevents blood that has been ejected into the pulmonary artery from returning to the right ventricle as it relaxes.

21
Q

mitral valve

A

bicuspid valve.

Blood flows through this atrioventricular valve to the left ventricle and cannot go back up into the left atrium.

22
Q

aortic valve

A

semilunar valve.
located between the left ventricle and the aorta, blood leaves the left ventricle through this valve and cannot return to the left ventricle.

23
Q

capillaries

A

Tiny vessels that branch off from arteries to deliver blood to all body tissues.

24
Q

blood pressure

A

is a measurement of the force exerted by blood against the wall of a blood vessel.

25
Q

pulse

A

felt at the wrist or throat is the surge of blood caused by the heart contraction.

3B-Keira Brown (10 decks)

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